Bug 53646 - c-ares: Multiple issues (4.4)
Summary: c-ares: Multiple issues (4.4)
Status: CLOSED FIXED
Alias: None
Product: UCS
Classification: Unclassified
Component: Security updates
Version: UCS 4.4
Hardware: All Linux
: P3 normal
Target Milestone: UCS 4.4-8-errata
Assignee: Quality Assurance
QA Contact: Philipp Hahn
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-08-11 10:36 CEST by Quality Assurance
Modified: 2021-08-11 16:48 CEST (History)
0 users

See Also:
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):
Customer ID:
Max CVSS v3 score: 5.0 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L)

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Quality Assurance univentionstaff 2021-08-11 10:36:00 CEST 
New Debian c-ares 1.12.0-1+deb9u2 fixes:
This update addresses the following issue:
* missing input validation of host names may lead to Domain Hijacking  (CVE-2021-3672)
Comment 1 Quality Assurance univentionstaff 2021-08-11 10:43:56 CEST 
--- mirror/ftp/4.3/unmaintained/4.3-0/source/c-ares_1.12.0-1+deb9u1.dsc
+++ apt/ucs_4.4-0-errata4.4-8/source/c-ares_1.12.0-1+deb9u2.dsc
@@ -1,3 +1,10 @@
+1.12.0-1+deb9u2 [Mon, 09 Aug 2021 22:03:02 +0200] Thorsten Alteholz <debian@alteholz.de>:
+
+  * Non-maintainer upload by the LTS Team.
+  * CVE-2021-3672
+    Missing input validation of host names returned by Domain Name
+    Servers can lead to output of wrong hostnames.
+
 1.12.0-1+deb9u1 [Mon, 26 Jun 2017 22:00:03 +0200] Gregor Jasny <gjasny@googlemail.com>:
 
   * Add patch for CVE-2017-1000381 (Closes: #865360)

<http://piuparts.knut.univention.de/4.4-8/#3907691794637359261>
Comment 2 Philipp Hahn univentionstaff 2021-08-11 11:31:51 CEST 
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts