Bug 47525

Summary:	libidn: Multiple issues (4.2)
Product:	UCS	Reporter:	Quality Assurance <qa>
Component:	Security updates	Assignee:	Quality Assurance <qa>
Status:	CLOSED FIXED	QA Contact:	Philipp Hahn <hahn>
Severity:	normal
Priority:	P3
Version:	UCS 4.2
Target Milestone:	UCS 4.2-4-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:	3.3 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Description Quality Assurance

2018-08-09 10:17:42 CEST

New Debian libidn 1.29-1+deb8u3 fixes:
This update addresses the following issue(s):
* 
* Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact. (CVE-2017-14062)

1.29-1+deb8u3 (Thu, 26 Jul 2018 20:36:12 +0200) * Fix CVE-2017-14062: An integer overflow vulnerability in libidn's Punycode handling (an encoding used to convert Unicode characters to ASCII) which would have allowed remote attackers to cause a denial of service. Patch taken from wheezy, backported by Chris Lamb.
* CVE-2017-14062 libidn2: Integer overflow in puny_decode.c/decode_digit (CVE-2017-14062)

Comment 1 Quality Assurance

2018-08-09 18:46:24 CEST

--- mirror/ftp/4.2/unmaintained/4.2-0/source/libidn_1.29-1+deb8u2.dsc
+++ apt/ucs_4.2-0-errata4.2-4/source/libidn_1.29-1+deb8u3.dsc
@@ -1,3 +1,10 @@
+1.29-1+deb8u3 [Thu, 26 Jul 2018 20:36:12 +0200] Santiago R.R. <santiagorr@riseup.net>:
+
+  * Fix CVE-2017-14062: An integer overflow vulnerability in libidn's Punycode
+    handling (an encoding used to convert Unicode characters to ASCII) which
+    would have allowed remote attackers to cause a denial of service.
+    Patch taken from wheezy, backported by Chris Lamb (Closes: #873903).
+
 1.29-1+deb8u2 [Mon, 29 Aug 2016 20:48:49 +0200] Salvatore Bonaccorso <carnil@debian.org>:
 
   * Non-maintainer upload by the Security Team.

<http://10.200.17.11/4.2-4/#2367478163731895478>

Comment 2 Philipp Hahn

2018-08-10 11:41:21 CEST

OK: yaml
OK: errata-announce
OK: patch
OK: piuparts

[4.2-4] 0d5bc2b77a Bug #47525: libidn 1.29-1+deb8u3
 doc/errata/staging/libidn.yaml | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

[4.2-4] d714749112 Bug #47525: libidn 1.29-1+deb8u3
 doc/errata/staging/libidn.yaml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comment 3 Arvid Requate

2018-08-15 16:19:57 CEST

<http://errata.software-univention.de/ucs/4.2/461.html>