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sfbrigade / adopt-a-drain

A web application that allows citizens to "adopt" a storm drain in San Francisco. In use, and in development at other brigades. Looking for a maintainer or someone interested in developing further in collaboration with others across the country.
http://adoptadrain.sfwater.org/
BSD 3-Clause "New" or "Revised" License
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[Security] Bump puma from 4.3.1 to 4.3.5 #478

Closed dependabot-preview[bot] closed 3 years ago

dependabot-preview[bot] commented 4 years ago

Bumps puma from 4.3.1 to 4.3.5. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

HTTP Smuggling via Transfer-Encoding Header in Puma

Impact

By using an invalid transfer-encoding header, an attacker could smuggle an HTTP response.

Originally reported by @ZeddYu, who has our thanks for the detailed report.

Patches

The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.

For more information

If you have any questions or comments about this advisory:

Affected versions: >= 4.0.0, < 4.3.4

Sourced from The GitHub Security Advisory Database.

HTTP Smuggling via Transfer-Encoding Header in Puma

Impact

This is a similar but different vulnerability to the one patched in 3.12.5 and 4.3.4.

A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client.

If the proxy uses persistent connections and the client adds another request in via HTTP pipelining, the proxy may mistake it as the first request's body. Puma, however, would see it as two requests, and when processing the second request, send back a response that the proxy does not expect. If the proxy has reused the persistent connection to Puma to send another request for a different client, the second response from the first client will be sent to the second client.

Patches

The problem has been fixed in Puma 3.12.6 and Puma 4.3.5.

For more information

If you have any questions or comments about this advisory:

Affected versions: >= 4.0.0, < 4.3.5

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects puma

Impact

If an application using Puma allows untrusted input in an early-hints header, an attacker can use a carriage return character to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting

While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS).

This is related to CVE-2020-5247, which fixed this vulnerability but only for regular responses.

Patches

This has been fixed in 4.3.3 and 3.12.4.

Workarounds

Users can not allow untrusted/user input in the Early Hints response header.

For more information

If you have any questions or comments about this advisory:

Affected versions: >= 4.0.0, < 4.3.3

Sourced from The Ruby Advisory Database.

HTTP Response Splitting vulnerability in puma If an application using Puma allows untrusted input in a response header, an attacker can use newline characters (i.e. CR, LF) to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting.

While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS).

Patched versions: ~> 3.12.4; >= 4.3.3 Unaffected versions: none

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects puma In Puma (RubyGem) before 4.3.2 and 3.12.2, if an application using Puma allows untrusted input in a response header, an attacker can use newline characters (i.e. CR, LF or/r, /n) to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting.

While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS).

This is related to CVE-2019-16254, which fixed this vulnerability for the WEBrick Ruby web server.

This has been fixed in versions 4.3.2 and 3.12.3 by checking all headers for line endings and rejecting headers with those characters.

Affected versions: >= 4.0.0, < 4.3.2

Changelog

Sourced from puma's changelog.

4.3.4/4.3.5 and 3.12.5/3.12.6 / 2020-05-22

Each patchlevel release contains a separate security fix. We recommend simply upgrading to 4.3.5/3.12.6.

  • Security
    • Fix: Fixed two separate HTTP smuggling vulnerabilities that used the Transfer-Encoding header. CVE-2020-11076 and CVE-2020-11077.

4.3.3 and 3.12.4 / 2020-02-28

  • Bugfixes
    • Fix: Fixes a problem where we weren't splitting headers correctly on newlines (#2132)
  • Security
    • Fix: Prevent HTTP Response splitting via CR in early hints. CVE-2020-5249.

4.3.2 and 3.12.3 / 2020-02-27 (YANKED)

  • Security
    • Fix: Prevent HTTP Response splitting via CR/LF in header values. CVE-2020-5247.
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coveralls commented 4 years ago

Coverage Status

Coverage remained the same at 97.931% when pulling 60407214b5589875e36eb1c9d245a657b21e3afb on dependabot/bundler/puma-4.3.5 into f7fee9544b87b5dd190245c4df7d77b45282304a on master.

dependabot-preview[bot] commented 3 years ago

Superseded by #517.