Bug 54280 – lxml: Multiple issues (4.4)

Bug 54280 - lxml: Multiple issues (4.4)


Summary:	lxml: Multiple issues (4.4)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 4.4
Hardware:	All Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 4.4-8-errata
Assigned To:	Quality Assurance
QA Contact:	Philipp Hahn

URL:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2022-01-03 07:53 CET by Quality Assurance
Modified:	2022-01-05 17:58 CET (History)
CC List:	0 users

See Also:
What kind of report is it?:	Security Issue
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Max CVSS v3 score:	8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L)

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Description Quality Assurance

2022-01-03 07:53:19 CET

New Debian lxml 3.7.1-1+deb9u5 fixes:
This update addresses the following issue:
* HTML Cleaner allows crafted and SVG embedded scripts to pass through  (CVE-2021-43818)

Comment 1 Quality Assurance

2022-01-03 08:02:04 CET

--- mirror/ftp/4.4/unmaintained/4.4-8/source/lxml_3.7.1-1+deb9u4.dsc
+++ apt/ucs_4.4-0-errata4.4-8/source/lxml_3.7.1-1+deb9u5.dsc
@@ -1,3 +1,11 @@
+3.7.1-1+deb9u5 [Wed, 29 Dec 2021 19:08:30 +0530] Utkarsh Gupta <utkarsh@debian.org>:
+
+  * Non-maintainer upload by the LTS Team.
+  * Add patch to prevent "@import" from re-occurring in the
+    CSS after replacements, e.g. "@@importimport" and remove
+    SVG image data URLs since they can embed script content.
+    (Fixes: CVE-2021-43818) (Closes: #1001885)
+
 3.7.1-1+deb9u4 [Tue, 23 Mar 2021 19:03:02 +0100] Thorsten Alteholz <debian@alteholz.de>:
 
   * Non-maintainer upload by the LTS Team.

<http://piuparts.knut.univention.de/4.4-8/#5622458748678025828>

Comment 2 Philipp Hahn

2022-01-04 09:17:13 CET

OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.4-8] 8e22c5f488 Bug #54280: lxml 3.7.1-1+deb9u5
 doc/errata/staging/lxml.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comment 3 Julia Bremer

2022-01-05 17:58:52 CET

<https://errata.software-univention.de/#/?erratum=4.4x1138>