SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2017:3092-1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update for perl fixes the following issues: Security issues
fixed :

- CVE-2017-12837: Heap-based buffer overflow in the
S_regatom function in regcomp.c in Perl 5 before
5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote
attackers to cause a denial of service (out-of-bounds
write) via a regular expression with a '\N{}' escape and
the case-insensitive modifier. (bnc#1057724)

- CVE-2017-12883: Buffer overflow in the S_grok_bslash_N
function in regcomp.c in Perl 5 before 5.24.3-RC1 and
5.26.x before 5.26.1-RC1 allows remote attackers to
disclose sensitive information or cause a denial of
service (application crash) via a crafted regular
expression with an invalid '\N{U+...}' escape.
(bnc#1057721)

- CVE-2017-6512: Race condition in the rmtree and
remove_tree functions in the File-Path module before
2.13 for Perl allows attackers to set the mode on
arbitrary files via vectors involving
directory-permission loosening logic. (bnc#1047178) Bug
fixes :

- backport set_capture_string changes from upstream
(bsc#999735)

- reformat baselibs.conf as source validator workaround

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/1047178
https://bugzilla.suse.com/1057721
https://bugzilla.suse.com/1057724
https://bugzilla.suse.com/999735
https://www.suse.com/security/cve/CVE-2017-12837.html
https://www.suse.com/security/cve/CVE-2017-12883.html
https://www.suse.com/security/cve/CVE-2017-6512.html
http://www.nessus.org/u?b9fea2d0

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 for Raspberry Pi 12-SP2:zypper in -t
patch SUSE-SLE-RPI-12-SP2-2017-1903=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch
SUSE-SLE-SERVER-12-SP3-2017-1903=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-2017-1903=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP3-2017-1903=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP2-2017-1903=1

SUSE Container as a Service Platform ALL:zypper in -t patch
SUSE-CAASP-ALL-2017-1903=1

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2017-1903=1

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

Risk factor :

Medium / CVSS Base Score : 6.4
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P)
CVSS Temporal Score : 4.7
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 104783 ()

Bugtraq ID:

CVE ID: CVE-2017-12837
CVE-2017-12883
CVE-2017-6512

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