SUSE SLES12 Security Update : squid (SUSE-SU-2016:2008-1)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

The Squid HTTP proxy has been updated to version 3.3.14, fixing the
following security issues :

- Fixed multiple Denial of Service issues in HTTP Response
processing. (CVE-2016-2569, CVE-2016-2570,
CVE-2016-2571, CVE-2016-2572, bsc#968392, bsc#968393,
bsc#968394, bsc#968395)

- CVE-2016-3947: Buffer overrun issue in pinger ICMPv6
processing. (bsc#973782)

- CVE-2015-5400: Improper protection of alternate path.
(bsc#938715)

- CVE-2015-3455: Squid http proxy configured with
client-first SSL bumping did not correctly validate
server certificate. (bsc#929493)

- CVE-2016-3948: Fixed denial of service in HTTP Response
processing (bsc#973783)

- CVE-2016-4051: fixes buffer overflow in cachemgr.cgi
(bsc#976553)

- CVE-2016-4052, CVE-2016-4053, CVE-2016-4054: Fixed
multiple issues in ESI processing (bsc#976556)

- CVE-2016-4553: Fixed cache poisoning issue in HTTP
Request handling (bsc#979009)

- CVE-2016-4554: Fixed header smuggling issue in HTTP
Request processing (bsc#979010)

- Fixed multiple Denial of Service issues in ESI Response
processing. (CVE-2016-4555, CVE-2016-4556, bsc#979011,
bsc#979008) Additionally, the following non-security
issues have been fixed :

- Fix header size in script unsquid.pl. (bsc#902197)

- Add external helper ext_session_acl to package.
(bsc#959290)

- Update forward_max_tries to permit 25 server paths With
cloud sites becoming more popular more CDN servers are
producing long lists of IPv6 and IPv4 addresses. If
there are not enough paths selected the IPv4 ones may
never be reached.

- squid.init: wait that squid really dies when we kill it
on upgrade instead of proclaiming its demise prematurely
(bnc#963539)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/902197
https://bugzilla.suse.com/929493
https://bugzilla.suse.com/938715
https://bugzilla.suse.com/955783
https://bugzilla.suse.com/959290
https://bugzilla.suse.com/963539
https://bugzilla.suse.com/968392
https://bugzilla.suse.com/968393
https://bugzilla.suse.com/968394
https://bugzilla.suse.com/968395
https://bugzilla.suse.com/973782
https://bugzilla.suse.com/973783
https://bugzilla.suse.com/976553
https://bugzilla.suse.com/976556
https://bugzilla.suse.com/979008
https://bugzilla.suse.com/979009
https://bugzilla.suse.com/979010
https://bugzilla.suse.com/979011
https://www.suse.com/security/cve/CVE-2015-3455.html
https://www.suse.com/security/cve/CVE-2015-5400.html
https://www.suse.com/security/cve/CVE-2016-2569.html
https://www.suse.com/security/cve/CVE-2016-2570.html
https://www.suse.com/security/cve/CVE-2016-2571.html
https://www.suse.com/security/cve/CVE-2016-2572.html
https://www.suse.com/security/cve/CVE-2016-3947.html
https://www.suse.com/security/cve/CVE-2016-3948.html
https://www.suse.com/security/cve/CVE-2016-4051.html
https://www.suse.com/security/cve/CVE-2016-4052.html
https://www.suse.com/security/cve/CVE-2016-4053.html
https://www.suse.com/security/cve/CVE-2016-4054.html
https://www.suse.com/security/cve/CVE-2016-4553.html
https://www.suse.com/security/cve/CVE-2016-4554.html
https://www.suse.com/security/cve/CVE-2016-4555.html
https://www.suse.com/security/cve/CVE-2016-4556.html
http://www.nessus.org/u?60d0b552

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch
SUSE-SLE-SERVER-12-SP1-2016-1184=1

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.2
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

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