Bumps nokogiri from 1.8.2 to 1.11.5. This update includes security fixes.
Vulnerabilities fixed
Sourced from The Ruby Advisory Database.
Nokogiri Command Injection Vulnerability
A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a subprocess by Ruby's Kernel.open method. Processes are vulnerable only if the undocumented method Nokogiri::CSS::Tokenizer#load_file is being passed untrusted user input.
This vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. Rexical is used by Nokogiri to generate lexical scanner code for parsing CSS queries. The underlying vulnerability was addressed in Rexical v1.0.7 and Nokogiri upgraded to this version of Rexical in Nokogiri v1.10.4.
Upgrade to Nokogiri v1.10.4, or avoid calling the undocumented method Nokogiri::CSS::Tokenizer#load_file with untrusted user input.
Nokogiri Command Injection Vulnerability via Nokogiri::CSS::Tokenizer#load_file
A command injection vulnerability in Nokogiri v1.10.3 and earlier allows
commands to be executed in a subprocess by Ruby's Kernel.open method.
Processes are vulnerable only if the undocumented method
Nokogiri::CSS::Tokenizer#load_file is being passed untrusted user input.
This vulnerability appears in code generated by the Rexical gem versions
v1.0.6 and earlier. Rexical is used by Nokogiri to generate lexical scanner
code for parsing CSS queries. The underlying vulnerability was addressed in
Rexical v1.0.7 and Nokogiri upgraded to this version of Rexical in
Nokogiri v1.10.4.
Upgrade to Nokogiri v1.10.4, or avoid calling the undocumented method
Nokogiri::CSS::Tokenizer#load_file with untrusted user input.
Revert libxml2 behavior in Nokogiri gem that could cause XSS
[MRI] Behavior in libxml2 has been reverted which caused
CVE-2018-8048 (loofah gem), CVE-2018-3740 (sanitize gem), and
CVE-2018-3741 (rails-html-sanitizer gem). The commit in question is
here:
Nokogiri gem, via libxslt, is affected by multiple vulnerabilities
Nokogiri v1.10.5 has been released.
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.
Moderate severity vulnerability that affects nokogiri
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
The Nokogiri RubyGem has patched it's vendored copy of libxml2 in order to prevent this issue from affecting nokogiri.
libxml2 2.9.10 has an infinite loop in a certain end-of-file situation
Nokogiri has backported the patch for CVE-2020-7595 into its vendored version
of libxml2, and released this as v1.10.8
CVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and
so Nokogiri versions <= v1.10.7 are vulnerable.
In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks.
This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible.
Please note that this security fix was pushed into a new minor version, 1.11.x, rather than a patch release to the 1.10.x branch, because it is a breaking change for some schemas and the risk was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
Nokogiri::XML::Schema trusts input by default, exposing risk of an XXE vulnerability
Description
In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema
are trusted by default, allowing external resources to be accessed over the
network, potentially enabling XXE or SSRF attacks.
This behavior is counter to
the security policy followed by Nokogiri maintainers, which is to treat all input
as untrusted by default whenever possible.
Please note that this security
fix was pushed into a new minor version, 1.11.x, rather than a patch release to
the 1.10.x branch, because it is a breaking change for some schemas and the risk
was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
Nokogiri gem, via libxml2, is affected by multiple vulnerabilities
Nokogiri 1.8.5 has been released.
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]: sparklemotion/nokogiri#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.
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
Please note that this advisory only applies to the CRuby implementation of Nokogiri < 1.11.4, and only if the packaged version of libxml2 is being used. If you've overridden defaults at installation time to use system libraries instead of packaged libraries, you should instead pay attention to your distro's libxml2 release announcements.
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
Please note that this advisory only applies to the CRuby implementation of Nokogiri < 1.11.4, and only if the packaged version of libxml2 is being used. If you've overridden defaults at installation time to use system libraries instead of packaged libraries, you should instead pay attention to your distro's libxml2 release announcements.
Nokogiri gem, via libxslt, is affected by improper access control vulnerability
Nokogiri v1.10.3 has been released.
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.
[Windows CRuby] Work around segfault at process exit on Windows when using libxml2 system DLLs.
libxml 2.9.12 introduced new behavior to avoid memory leaks when unloading libxml2 shared libraries (see libxml/!66). Early testing caught this segfault on non-Windows platforms (see #2059 and libxml@956534e) but it was incompletely fixed and is still an issue on Windows platforms that are using system DLLs.
We work around this by configuring libxml2 in this situation to use its default memory management functions. Note that if Nokogiri is not on Windows, or is not using shared system libraries, it will will continue to configure libxml2 to use Ruby's memory management functions. Nokogiri::VERSION_INFO["libxml"]["memory_management"] will allow you to verify when the default memory management functions are being used. [#2241]
Added
Nokogiri::VERSION_INFO["libxml"] now contains the key "memory_management" to declare whether libxml2 is using its default memory management functions, or whether it uses the memory management functions from ruby. See above for more details.
1.11.4 / 2021-05-14
Security
[CRuby] Vendored libxml2 upgraded to v2.9.12 which addresses:
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
[CRuby] vendored libxml2 is updated from 2.9.10 to 2.9.12. (Note that 2.9.11 was skipped because it was superseded by 2.9.12 a few hours after its release.)
1.11.3 / 2021-04-07
Fixed
[CRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this likely segfaulted. [#1900]
[JRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this raised a TypeError exception.
[CRuby] arm64/aarch64 systems (like Apple's M1) can now compile libxml2 and libxslt from source (though we continue to strongly advise users to install the native gems for the best possible experience)
[Windows CRuby] Work around segfault at process exit on Windows when using libxml2 system DLLs.
libxml 2.9.12 introduced new behavior to avoid memory leaks when unloading libxml2 shared libraries (see libxml/!66). Early testing caught this segfault on non-Windows platforms (see #2059 and libxml@956534e) but it was incompletely fixed and is still an issue on Windows platforms that are using system DLLs.
We work around this by configuring libxml2 in this situation to use its default memory management functions. Note that if Nokogiri is not on Windows, or is not using shared system libraries, it will will continue to configure libxml2 to use Ruby's memory management functions. Nokogiri::VERSION_INFO["libxml"]["memory_management"] will allow you to verify when the default memory management functions are being used. [#2241]
Added
Nokogiri::VERSION_INFO["libxml"] now contains the key "memory_management" to declare whether libxml2 is using its default memory management functions, or whether it uses the memory management functions from ruby. See above for more details.
1.11.4 / 2021-05-14
Security
[CRuby] Vendored libxml2 upgraded to v2.9.12 which addresses:
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
[CRuby] vendored libxml2 is updated from 2.9.10 to 2.9.12. (Note that 2.9.11 was skipped because it was superseded by 2.9.12 a few hours after its release.)
1.11.3 / 2021-04-07
Fixed
[CRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this likely segfaulted. [#1900]
[JRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this raised a TypeError exception.
[CRuby] arm64/aarch64 systems (like Apple's M1) can now compile libxml2 and libxslt from source (though we continue to strongly advise users to install the native gems for the best possible experience)
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Bumps nokogiri from 1.8.2 to 1.11.5. This update includes security fixes.
Vulnerabilities fixed
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Release notes
Sourced from nokogiri's releases.
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Changelog
Sourced from nokogiri's changelog.
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Commits
e43f521
version bump to v1.11.542354e4
Merge pull request #2243 from sparklemotion/flavorjones-v1_11_x-update-tests-...05f30eb
update CHANGELOGe6709aa
windows: work around libxml2 xmlCleanupParser8f54c0f
test: adjust tests to pass on system libxml2 >= 2.9.113d8a570
ci: windows config for github actions4b9bfe3
update CHANGELOG with the GHSA9d69b44
version bump to v1.11.4058e87f
update CHANGELOG with complete CVE information9285251
Merge pull request #2234 from sparklemotion/2233-upgrade-to-libxml-2-9-12Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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