Bug 49762

Summary: expat: Multiple issues (4.3)
Product: UCS Reporter: Quality Assurance <qa>
Component: Security updatesAssignee: Quality Assurance <qa>
Status: CLOSED FIXED QA Contact: Philipp Hahn <hahn>
Severity: normal    
Priority: P3    
Version: UCS 4.3   
Target Milestone: UCS 4.3-4-errata   
Hardware: All   
OS: Linux   
What kind of report is it?: Security Issue What type of bug is this?: ---
Who will be affected by this bug?: --- How will those affected feel about the bug?: ---
User Pain: Enterprise Customer affected?:
School Customer affected?: ISV affected?:
Waiting Support: Flags outvoted (downgraded) after PO Review:
Ticket number: Bug group (optional):
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)

Description Quality Assurance univentionstaff 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 univentionstaff 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 univentionstaff 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 univentionstaff 2019-07-03 14:35:09 CEST
<http://errata.software-univention.de/ucs/4.3/540.html>