🚨 Your current dependencies have known security vulnerabilities 🚨
This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!
Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.
Pulled in upstream patch from libxml that addresses CVE-2020-7595. Full details are available in #1992. Note that this patch is not yet (as of 2020-02-10) in an upstream release of libxml.
This is a security release. It addresses three CVEs in upstream libxml2,
for which details are below.
If you're using your distro's system libraries, rather than Nokogiri's
vendored libraries, there's no security need to upgrade at this time,
though you may want to check with your distro whether they've patched this
(Canonical has patched Ubuntu packages). Note that libxslt 1.1.34 addresses
these vulnerabilities.
Full details about the security update are available in Github Issue
[#1943] #1943.
Description: In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings
could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This
could allow an attacker to discern whether a byte on the stack contains the
characters A, a, I, i, or 0, or any other character.
Description: In numbers.c in libxslt 1.1.33, a type holding grouping characters of an
xsl:number instruction was too narrow and an invalid character/length
combination could be passed to xsltNumberFormatDecimal, leading to a read
of uninitialized stack data
Description: In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't
reset under certain circumstances. If the relevant memory area happened to
be freed and reused in a certain way, a bounds check could fail and memory
outside a buffer could be written to, or uninitialized data could be
disclosed.
This is a security release. It addresses a CVE in upstream libxslt rated as
"Priority: medium" by Canonical, and "NVD Severity: high" by Debian. More
details are available below.
If you're using your distro's system libraries, rather than Nokogiri's
vendored libraries, there's no security need to upgrade at this time, though
you may want to check with your distro whether they've patched this
(Canonical has patched Ubuntu packages). Note that this patch is not yet (as
of 2019-04-22) in an upstream release of libxslt.
Full details about the security update are available in Github Issue
[#1892] #1892.
libxslt through 1.1.33 allows bypass of a protection mechanism
because callers of xsltCheckRead and xsltCheckWrite permit access
even upon receiving a -1 error code. xsltCheckRead can return -1 for
a crafted URL that is not actually invalid and is subsequently
loaded.
Canonical rates this as "Priority: Medium".
Debian rates this as "NVD Severity: High (attack range: remote)".
This is a security and bugfix release. It addresses two CVEs in upstream
libxml2 rated as "medium" by Red Hat, for which details are below.
If you're using your distro's system libraries, rather than Nokogiri's
vendored libraries, there's no security need to upgrade at this time,
though you may want to check with your distro whether they've patched this
(Canonical has patched Ubuntu packages). Note that these patches are not
yet (as of 2018-10-04) in an upstream release of libxml2.
Full details about the security update are available in Github Issue #1785.
[#1785]: #1785
[MRI] Pulled in upstream patches from libxml2 that address CVE-2018-14404
and CVE-2018-14567. Full details are available in #1785. Note that these
patches are not yet (as of 2018-10-04) in an upstream release of libxml2.
A NULL pointer dereference vulnerability exists in the
xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when
parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR
case. Applications processing untrusted XSL format inputs with the use of
the libxml2 library may be vulnerable to a denial of service attack due
to a crash of the application
Canonical rates this vulnerability as "Priority: Medium"
It is possible to forge a secure or host-only cookie prefix in Rack using
an arbitrary cookie write by using URL encoding (percent-encoding) on the
name of the cookie. This could result in an application that is dependent on
this prefix to determine if a cookie is safe to process being manipulated
into processing an insecure or cross-origin request.
This vulnerability has been assigned the CVE identifier CVE-2020-8184.
Versions Affected: rack < 2.2.3, rack < 2.1.4
Not affected: Applications which do not rely on __Host- and __Secure- prefixes to determine if a cookie is safe to process
Fixed Versions: rack >= 2.2.3, rack >= 2.1.4
Impact
An attacker may be able to trick a vulnerable application into processing an
insecure (non-SSL) or cross-origin request if they can gain the ability to write
arbitrary cookies that are sent to the application.
Workarounds
If your application is impacted but you cannot upgrade to the released versions or apply
the provided patch, this issue can be temporarily addressed by adding the following workaround:
module Rack
module Utils
module_function def parse_cookies_header(header)
return {} unless header
header.split(/[;] */n).each_with_object({}) do |cookie, cookies|
next if cookie.empty?
key, value = cookie.split('=', 2)
cookies[key] = (unescape(value) rescue value) unless cookies.key?(key)
end
end
end
end
It is possible to forge a secure or host-only cookie prefix in Rack using
an arbitrary cookie write by using URL encoding (percent-encoding) on the
name of the cookie. This could result in an application that is dependent on
this prefix to determine if a cookie is safe to process being manipulated
into processing an insecure or cross-origin request.
This vulnerability has been assigned the CVE identifier CVE-2020-8184.
Versions Affected: rack < 2.2.3, rack < 2.1.4
Not affected: Applications which do not rely on __Host- and __Secure- prefixes to determine if a cookie is safe to process
Fixed Versions: rack >= 2.2.3, rack >= 2.1.4
Impact
An attacker may be able to trick a vulnerable application into processing an
insecure (non-SSL) or cross-origin request if they can gain the ability to write
arbitrary cookies that are sent to the application.
Workarounds
If your application is impacted but you cannot upgrade to the released versions or apply
the provided patch, this issue can be temporarily addressed by adding the following workaround:
module Rack
module Utils
module_function def parse_cookies_header(header)
return {} unless header
header.split(/[;] */n).each_with_object({}) do |cookie, cookies|
next if cookie.empty?
key, value = cookie.split('=', 2)
cookies[key] = (unescape(value) rescue value) unless cookies.key?(key)
end
end
end
end
There was a possible directory traversal vulnerability in the Rack::Directory app
that is bundled with Rack.
Versions Affected: rack < 2.2.0
Not affected: Applications that do not use Rack::Directory.
Fixed Versions: 2.1.3, >= 2.2.0
Impact
If certain directories exist in a director that is managed by Rack::Directory, an attacker could, using this vulnerability, read the
contents of files on the server that were outside of the root specified in the
Rack::Directory initializer.
Workarounds
Until such time as the patch is applied or their Rack version is upgraded,
we recommend that developers do not use Rack::Directory in their
applications.
There was a possible directory traversal vulnerability in the Rack::Directory app
that is bundled with Rack.
Versions Affected: rack < 2.2.0
Not affected: Applications that do not use Rack::Directory.
Fixed Versions: 2.1.3, >= 2.2.0
Impact
If certain directories exist in a director that is managed by Rack::Directory, an attacker could, using this vulnerability, read the
contents of files on the server that were outside of the root specified in the
Rack::Directory initializer.
Workarounds
Until such time as the patch is applied or their Rack version is upgraded,
we recommend that developers do not use Rack::Directory in their
applications.
There's a possible information leak / session hijack vulnerability in Rack.
Attackers may be able to find and hijack sessions by using timing attacks
targeting the session id. Session ids are usually stored and indexed in a
database that uses some kind of scheme for speeding up lookups of that
session id. By carefully measuring the amount of time it takes to look up
a session, an attacker may be able to find a valid session id and hijack
the session.
The session id itself may be generated randomly, but the way the session is
indexed by the backing store does not use a secure comparison.
Impact:
The session id stored in a cookie is the same id that is used when querying
the backing session storage engine. Most storage mechanisms (for example a
database) use some sort of indexing in order to speed up the lookup of that
id. By carefully timing requests and session lookup failures, an attacker
may be able to perform a timing attack to determine an existing session id
and hijack that session.
There is a possible DoS vulnerability in the multipart parser in Rack.
Carefully crafted requests can cause the multipart parser to enter a
pathological state, causing the parser to use CPU resources disproportionate to
the request size.
Impacted code can look something like this:
Rack::Request.new(env).params
But any code that uses the multi-part parser may be vulnerable.
Rack users that have manually adjusted the buffer size in the multipart parser
may be vulnerable as well.
All users running an affected release should either upgrade or use one of the
workarounds immediately.
Releases
The 2.0.6 release is available at the normal locations.
Workarounds
To work around this issue, the following code can be used:
There is a possible vulnerability in Rack. This vulnerability has been
assigned the CVE identifier CVE-2018-16471.
Versions Affected: All.
Not affected: None.
Fixed Versions: 2.0.6, 1.6.11
Impact
There is a possible XSS vulnerability in Rack. Carefully crafted requests can
impact the data returned by the scheme method on Rack::Request.
Applications that expect the scheme to be limited to "http" or "https" and do
not escape the return value could be vulnerable to an XSS attack.
Vulnerable code looks something like this:
<%= request.scheme.html_safe %>
Note that applications using the normal escaping mechanisms provided by Rails
may not impacted, but applications that bypass the escaping mechanisms, or do
not use them may be vulnerable.
All users running an affected release should either upgrade or use one of the
workarounds immediately.
Releases
The 2.0.6 and 1.6.11 releases are available at the normal locations.
Workarounds
The following monkey patch can be applied to work around this issue:
require "rack"
require "rack/request"
class Rack::Request
SCHEME_WHITELIST = %w(https http).freeze
def scheme
if get_header(Rack::HTTPS) == 'on'
'https'
elsif get_header(HTTP_X_FORWARDED_SSL) == 'on'
'https'
elsif forwarded_scheme
forwarded_scheme
else
get_header(Rack::RACK_URL_SCHEME)
end
end
def forwarded_scheme
scheme_headers = [
get_header(HTTP_X_FORWARDED_SCHEME),
get_header(HTTP_X_FORWARDED_PROTO).to_s.split(',')[0]
]
scheme_headers.each do |header|
return header if SCHEME_WHITELIST.include?(header)
end
nil
end
end
Response.[] and MockResponse.[] for creating instances using status, headers, and body. (@ioquatix)
Convenient cache and content type methods for Rack::Response. (#1555, @ioquatix)
Changed
Request#params no longer rescues EOFError. (@jeremyevans)
Directory uses a streaming approach, significantly improving time to first byte for large directories. (@jeremyevans)
Directory no longer includes a Parent directory link in the root directory index. (@jeremyevans)
QueryParser#parse_nested_query uses original backtrace when reraising exception with new class. (@jeremyevans)
ConditionalGet follows RFC 7232 precedence if both If-None-Match and If-Modified-Since headers are provided. (@jeremyevans)
.ru files supports the frozen-string-literal magic comment. (@eregon)
Rely on autoload to load constants instead of requiring internal files, make sure to require 'rack' and not just 'rack/...'. (@jeremyevans)
Etag will continue sending ETag even if the response should not be cached. (@henm)
Request#host_with_port no longer includes a colon for a missing or empty port. (@AlexWayfer)
All handlers uses keywords arguments instead of an options hash argument. (@ioquatix)
Files handling of range requests no longer return a body that supports to_path, to ensure range requests are handled correctly. (@jeremyevans)
Multipart::Generator only includes Content-Length for files with paths, and Content-Dispositionfilename if the UploadedFile instance has one. (@jeremyevans)
Request#ssl? is true for the wss scheme (secure websockets). (@jeremyevans)
Rack::HeaderHash is memoized by default. (#1549, @ioquatix)
Rework host/hostname/authority implementation in Rack::Request. #host and #host_with_port have been changed to correctly return IPv6 addresses formatted with square brackets, as defined by RFC3986. (#1561, @ioquatix)
Rack::Builder parsing options on first #\ line is deprecated. (#1574, @ioquatix)
Removed
Directory#path as it was not used and always returned nil. (@jeremyevans)
BodyProxy#each as it was only needed to work around a bug in Ruby <1.9.3. (@jeremyevans)
URLMap::INFINITY and URLMap::NEGATIVE_INFINITY, in favor of Float::INFINITY. (@ch1c0t)
Deprecation of Rack::File. It will be deprecated again in rack 2.2 or 3.0. (@rafaelfranca)
Support for Ruby 2.2 as it is well past EOL. (@ioquatix)
Remove Rack::Files#response_body as the implementation was broken. (#1153, @ioquatix)
Remove SERVER_ADDR which was never part of the original SPEC. (#1573, @ioquatix)
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commented
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🚨 Your current dependencies have known security vulnerabilities 🚨
This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!
Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.
What changed?
✳️ capybara (3.7.1 → 3.34.0) · Repo · Changelog
Release Notes
Too many releases to show here. View the full release notes.
Commits
See the full diff on Github. The new version differs by more commits than we can show here.
↗️ addressable (indirect, 2.5.2 → 2.7.0) · Repo · Changelog
Release Notes
2.7.0 (from changelog)
2.6.0 (from changelog)
Does any of this look wrong? Please let us know.
↗️ mini_mime (indirect, 1.0.1 → 1.0.2) · Repo · Changelog
Commits
See the full diff on Github. The new version differs by 13 commits:
Changelog and prepare for releaseFEATURE: update for latest parity with mime types dataRemove unsupported rubies from travis test matrixrelax bundler versionUpdate benchmark in readmeAdd gems to Gemfile for bench scriptAllow custom db pathsUpdate benchmarkTest on Ruby 2.5 and Ruby 2.6Merge pull request #16 from Aqualon/readme_improvementsFix some typos/whitespaceFix link to bench.rbbump cache on travis↗️ mini_portile2 (indirect, 2.3.0 → 2.4.0) · Repo · Changelog
Commits
See the full diff on Github. The new version differs by 10 commits:
version bump to v2.4.0update CHANGELOG in preparation for v2.4.0update dev dependenciesMerge pull request #86 from eagletmt/skip-progress-when-chunkedMerge pull request #87 from halfbyte/patch-1Make version in changelog fit release version.Skip progress report when Content-Length is unavailableupdate test:examples to libiconv 1.15concourse: test most-recent two rubiesconvert to using windows-ruby-dev-tools-release↗️ nokogiri (indirect, 1.8.4 → 1.10.10) · Repo · Changelog
Security Advisories 🚨
🚨 xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
🚨 Nokogiri gem, via libxslt, is affected by multiple vulnerabilities
🚨 Nokogiri Command Injection Vulnerability
🚨 Nokogiri gem, via libxslt, is affected by improper access control vulnerability
🚨 Nokogiri gem, via libxml2, is affected by multiple vulnerabilities
Release Notes
Too many releases to show here. View the full release notes.
Commits
See the full diff on Github. The new version differs by more commits than we can show here.
↗️ public_suffix (indirect, 3.0.3 → 4.0.6) · Repo · Changelog
Release Notes
4.0.6 (from changelog)
4.0.5 (from changelog)
4.0.4 (from changelog)
4.0.3 (from changelog)
4.0.2 (from changelog)
4.0.1 (from changelog)
4.0.0 (from changelog)
3.1.1 (from changelog)
3.1.0 (from changelog)
Does any of this look wrong? Please let us know.
Commits
See the full diff on Github. The new version differs by 59 commits:
Release 4.0.6Last release with 2.3Ignore rubocop copUpdate rubocopUpdated definitionsFix key duplication in codecov.yml (#175)Release 4.0.5Update tests.ymlUpdate tests.ymlAdd CI workflowAdd project metadata to the gemspec (#172)Update definitionsCreate codecov.ymlUpdate Travis badge linkRelease 4.0.3Update definitionsUpdate to Rubocop 0.81.0Update rubocop requirement from 0.80.0 to 0.80.1 (#170)Update rubocop requirement from 0.79.0 to 0.80.0 (#169)Update SECURITY.mdUpdate README.mdUpdate README.mdUpdate .gitignoreUpdate definitionsSync up my Rubocop default fileMove development dependencies from gemspec to BundleRelease 4.0.3Welcome 2020CHANGELOG for GH-167Fix 2.7 deprecations and warnings (#168)Update .travis.ymlExperiment with https://keepachangelog.com/Update rubocopRelease 4.0.2Update README.mdCreate SECURITY.mdUpdate CHANGELOG.mdRelease 4.0.1Updated definitionsAdd Tidelift linkCreate FUNDING.ymlTest Ruby 2.7Release 4.0.0Remove support for Ruby < 2.3 in major versionRelease 3.1.1Reinstate support to Ruby 2.1 and 2.2Update PSLFix version in READMERelease 3.1.0Update definitions list (#160)Upgrade to Rubocop 0.70Fix version mismatchMinimum Ruby version is 2.3Upgrade BundlerMake Travis happyFix typo in comment (#159)Fix offensesSwitch to CodeCovUpdate .travis.yml↗️ rack (indirect, 2.0.5 → 2.2.3) · Repo · Changelog
Security Advisories 🚨
🚨 Percent-encoded cookies can be used to overwrite existing prefixed cookie names
🚨 Percent-encoded cookies can be used to overwrite existing prefixed cookie names
🚨 Directory traversal in Rack::Directory app bundled with Rack
🚨 Directory traversal in Rack::Directory app bundled with Rack
🚨 Possible information leak / session hijack vulnerability
🚨 Possible DoS vulnerability in Rack
🚨 Possible XSS vulnerability in Rack
Release Notes
2.2.2 (from changelog)
2.2.1 (from changelog)
2.2.0 (from changelog)
2.1.2 (from changelog)
2.1.1 (from changelog)
2.1.0 (from changelog)
2.0.8 (from changelog)
Does any of this look wrong? Please let us know.
Commits
See the full diff on Github. The new version differs by more commits than we can show here.
↗️ xpath (indirect, 3.1.0 → 3.2.0) · Repo · Changelog
Commits
See the full diff on Github. The new version differs by 7 commits:
Prepare for 3.2.0 releaseMerge pull request #95 from teamcapybara/rubocopRequire Ruby 2.3+ and rubocop driven cleanupMerge pull request #93 from teamcapybara/custom_attributesupport querying HTML5 attributesMerge pull request #94 from teamcapybara/case_manipulationAdd `lowercase`/`uppercase` fucntions🆕 regexp_parser (added, 1.8.2)
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