Bug 47628 – openssh: Multiple issues (4.2)

Bug 47628 - openssh: Multiple issues (4.2)


Summary:	openssh: Multiple issues (4.2)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 4.2
Hardware:	All Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 4.2-4-errata
Assigned To:	Quality Assurance
QA Contact:	Philipp Hahn

URL:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2018-08-22 10:19 CEST by Quality Assurance
Modified:	2018-08-29 13:42 CEST (History)
CC List:	0 users

See Also:
What kind of report is it?:	Security Issue
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Max CVSS v3 score:	5.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

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Description Quality Assurance

2018-08-22 10:19:08 CEST

New Debian openssh 1:6.7p1-5+deb8u5A~4.2.4.201808221019 fixes:
This update addresses the following issue:
* User enumeration via malformed packets in authentication requests (CVE-2018-15473)

Comment 1 Quality Assurance

2018-08-22 14:14:47 CEST

--- mirror/ftp/4.2/unmaintained/4.2-4/source/openssh_6.7p1-5+deb8u4A~4.2.4.201805071556.dsc
+++ apt/ucs_4.2-0-errata4.2-4/source/openssh_6.7p1-5+deb8u5A~4.2.4.201808221019.dsc
@@ -1,9 +1,15 @@
-1:6.7p1-5+deb8u4A~4.2.4.201805071556 [Mon, 07 May 2018 16:00:34 +0200] Univention builddaemon <buildd@univention.de>:
+1:6.7p1-5+deb8u5A~4.2.4.201808221019 [Wed, 22 Aug 2018 10:19:17 +0200] Univention builddaemon <buildd@univention.de>:
 
   * UCS auto build. The following patches have been applied to the original source package
     CVE-2015-5352
     CVE-2015-5600-1
     CVE-2015-5600-2
+
+1:6.7p1-5+deb8u5 [Tue, 21 Aug 2018 18:04:27 +0100] Chris Lamb <lamby@debian.org>:
+
+  * CVE-2018-15473: Prevent a user enumeration vulnerability by delaying the
+    bailout for invalid authenticating users until after the packet containing
+    the request has been fully parsed. (closes: #906236)
 
 1:6.7p1-5+deb8u4 [Sat, 18 Nov 2017 10:56:29 +0000] Colin Watson <cjwatson@debian.org>:
 

<http://10.200.17.11/4.2-4/#3961379882662141592>

Comment 2 Philipp Hahn

2018-08-22 14:35:50 CEST

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

[4.2-4] 9de43ed1d8 Bug #47628: openssh 1:6.7p1-5+deb8u5A~4.2.4.201808221019
 doc/errata/staging/openssh.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

[4.2-4] 0067499213 Bug #47628: openssh 1:6.7p1-5+deb8u5A~4.2.4.201808221019
 doc/errata/staging/openssh.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comment 3 Arvid Requate

2018-08-29 13:42:58 CEST

<http://errata.software-univention.de/ucs/4.2/499.html>