Bug 49762 – expat: Multiple issues (4.3)

Bug 49762 - expat: Multiple issues (4.3)


Summary:	expat: Multiple issues (4.3)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 4.3
Hardware:	All Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 4.3-4-errata
Assigned To:	Quality Assurance
QA Contact:	Philipp Hahn

URL:
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Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2019-07-01 08:23 CEST by Quality Assurance
Modified:	2019-07-03 14:35 CEST (History)
CC List:	0 users

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What kind of report is it?:	Security Issue
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How will those affected feel about the bug?:	---
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Max CVSS v3 score:	5.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

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Description Quality Assurance

2019-07-01 08:23:15 CEST

New Debian expat 2.2.0-2+deb9u2 fixes:
This update addresses the following issue:
* large number of colons in input makes parser consume high amount of  resources, leading to DoS (CVE-2018-20843)

Comment 1 Quality Assurance

2019-07-01 09:00:10 CEST

--- mirror/ftp/4.3/unmaintained/4.3-0/source/expat_2.2.0-2+deb9u1.dsc
+++ apt/ucs_4.3-0-errata4.3-4/source/expat_2.2.0-2+deb9u2.dsc
@@ -1,3 +1,8 @@
+2.2.0-2+deb9u2 [Thu, 27 Jun 2019 19:10:58 +0000] Laszlo Boszormenyi (GCS) <gcs@debian.org>:
+
+  * Fix extraction of namespace prefix from XML name (CVE-2018-20843)
+    (closes: #931031).
+
 2.2.0-2+deb9u1 [Sat, 17 Jun 2017 21:31:56 +0000] Laszlo Boszormenyi (GCS) <gcs@debian.org>:
 
   * Replace the Mozilla CVE-2016-9063 fix with the more complete, upstream

<http://10.200.17.11/4.3-4/#6398635680555767403>

Comment 2 Philipp Hahn

2019-07-01 09:38:42 CEST

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

[4.3-4] 289f3b69bf Bug #49762: expat 2.2.0-2+deb9u2
 doc/errata/staging/expat.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

[4.3-4] d586791411 Bug #49762: expat 2.2.0-2+deb9u2
 doc/errata/staging/expat.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comment 3 Arvid Requate

2019-07-03 14:35:09 CEST

<http://errata.software-univention.de/ucs/4.3/540.html>