SUSE SLED12 / SLES12 Security Update : libmspack (SUSE-SU-2016:0011-1)

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


Synopsis :

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

Description :

libmspack was updated to fix security issues.

These security issues were fixed :

- CVE-2014-9732: The cabd_extract function in cabd.c in
libmspack did not properly maintain decompression
callbacks in certain cases where an invalid file follows
a valid file, which allowed remote attackers to cause a
denial of service (NULL pointer dereference and
application crash) via a crafted CAB archive
(bnc#934524).

- CVE-2015-4467: The chmd_init_decomp function in chmd.c
in libmspack did not properly validate the reset
interval, which allowed remote attackers to cause a
denial of service (divide-by-zero error and application
crash) via a crafted CHM file (bnc#934525).

- CVE-2015-4468: Multiple integer overflows in the
search_chunk function in chmd.c in libmspack allowed
remote attackers to cause a denial of service (buffer
over-read and application crash) via a crafted CHM file
(bnc#934526).

- CVE-2015-4469: The chmd_read_headers function in chmd.c
in libmspack did not validate name lengths, which
allowed remote attackers to cause a denial of service
(buffer over-read and application crash) via a crafted
CHM file (bnc#934526).

- CVE-2015-4470: Off-by-one error in the inflate function
in mszipd.c in libmspack allowed remote attackers to
cause a denial of service (buffer over-read and
application crash) via a crafted CAB archive
(bnc#934527).

- CVE-2015-4471: Off-by-one error in the lzxd_decompress
function in lzxd.c in libmspack allowed remote attackers
to cause a denial of service (buffer under-read and
application crash) via a crafted CAB archive
(bnc#934528).

- CVE-2015-4472: Off-by-one error in the READ_ENCINT macro
in chmd.c in libmspack allowed remote attackers to cause
a denial of service (application crash) or possibly have
unspecified other impact via a crafted CHM file
(bnc#934529).

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/934524
https://bugzilla.suse.com/934525
https://bugzilla.suse.com/934526
https://bugzilla.suse.com/934527
https://bugzilla.suse.com/934528
https://bugzilla.suse.com/934529
https://www.suse.com/security/cve/CVE-2014-9732.html
https://www.suse.com/security/cve/CVE-2015-4467.html
https://www.suse.com/security/cve/CVE-2015-4468.html
https://www.suse.com/security/cve/CVE-2015-4469.html
https://www.suse.com/security/cve/CVE-2015-4470.html
https://www.suse.com/security/cve/CVE-2015-4471.html
https://www.suse.com/security/cve/CVE-2015-4472.html
http://www.nessus.org/u?8e45dd06

Solution :

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

SUSE Linux Enterprise Software Development Kit 12-SP1 :

zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-2=1

SUSE Linux Enterprise Software Development Kit 12 :

zypper in -t patch SUSE-SLE-SDK-12-2016-2=1

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-2=1

SUSE Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2016-2=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-2=1

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2016-2=1

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

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.3
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 87858 ()

Bugtraq ID: 72474
72486
72487
72488
72490
72492

CVE ID: CVE-2014-9732
CVE-2015-4467
CVE-2015-4468
CVE-2015-4469
CVE-2015-4470
CVE-2015-4471
CVE-2015-4472

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