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[Security] Bump bleach from 3.1.0 to 3.1.2 #162

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Bumps bleach from 3.1.0 to 3.1.2. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects bleach

Impact

A mutation XSS affects users calling bleach.clean with all of:

  • the svg or math in the allowed/whitelisted tags
  • an RCDATA tag (see below) in the allowed/whitelisted tags
  • the keyword argument strip=False

Patches

Users are encouraged to upgrade to bleach v3.1.2 or greater.

Workarounds

  • modify bleach.clean calls to use strip=True, or not whitelist math or svg tags and one or more of the following tags:
script
noscript
style
</tr></table> ... (truncated)

Affected versions: < 3.1.2

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects bleach

Impact

A mutation XSS affects users calling bleach.clean with noscript and a raw tag (see below) in the allowed/whitelisted tags option.

Patches

v3.1.1

Workarounds

  • modify bleach.clean calls to not whitelist noscript and one or more of the following raw tags:
title
textarea
script
style
noembed
noframes
iframe
</tr></table> ... (truncated)

Affected versions: < 3.1.1

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects bleach

Impact

A mutation XSS affects users calling bleach.clean with noscript and a raw tag (see below) in the allowed/whitelisted tags option.

Patches

v3.1.1

Workarounds

  • modify bleach.clean calls to not whitelist noscript and one or more of the following raw tags:
title
textarea
script
style
noembed
noframes
iframe
</tr></table> ... (truncated)

Affected versions: < 3.1.1

Changelog

Sourced from bleach's changelog.

Version 3.1.2 (March 11th, 2020)

Security fixes

  • bleach.clean behavior parsing embedded MathML and SVG content with RCDATA tags did not match browser behavior and could result in a mutation XSS.

    Calls to bleach.clean with strip=False and math or svg tags and one or more of the RCDATA tags script, noscript, style, noframes, iframe, noembed, or xmp in the allowed tags whitelist were vulnerable to a mutation XSS.

    This security issue was confirmed in Bleach version v3.1.1. Earlier versions are likely affected too.

    Anyone using Bleach <=v3.1.1 is encouraged to upgrade.

    https://bugzilla.mozilla.org/show_bug.cgi?id=1621692

Backwards incompatible changes

None

Features

None

Bug fixes

None

Version 3.1.1 (February 13th, 2020)

Security fixes

  • bleach.clean behavior parsing noscript tags did not match browser behavior.

    Calls to bleach.clean allowing noscript and one or more of the raw text tags (title, textarea, script, style, noembed, noframes, iframe, and xmp) were vulnerable to a mutation XSS.

    This security issue was confirmed in Bleach versions v2.1.4, v3.0.2, and v3.1.0. Earlier versions are probably affected too.

... (truncated)
Commits

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Bumps [bleach](https://github.com/mozilla/bleach) from 3.1.0 to 3.1.2. **This update includes security fixes.**
- [Release notes](https://github.com/mozilla/bleach/releases)
- [Changelog](https://github.com/mozilla/bleach/blob/master/CHANGES)
- [Commits](mozilla/bleach@v3.1.0...v3.1.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Pull requests that address a security vulnerability labels Mar 24, 2020
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codecov bot commented Mar 24, 2020

Codecov Report

Merging #162 into master will decrease coverage by 0.08%.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff             @@
##           master     #162      +/-   ##
==========================================
- Coverage   82.24%   82.16%   -0.09%     
==========================================
  Files         112      112              
  Lines        9406     9406              
==========================================
- Hits         7736     7728       -8     
- Misses       1670     1678       +8
Flag Coverage Δ
#unittests 82.16% <ø> (-0.09%) ⬇️
Impacted Files Coverage Δ
src/evalg/genprog/generators.py 86.45% <0%> (-8.34%) ⬇️

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Superseded by #167.

@dependabot-preview dependabot-preview bot deleted the dependabot/pip/bleach-3.1.2 branch March 30, 2020 21:24
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