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SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2017:3092-1)
critical Nessus Plugin ID 104783
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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.
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'.
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1047178
https://bugzilla.suse.com/show_bug.cgi?id=1057721
https://bugzilla.suse.com/show_bug.cgi?id=1057724
https://bugzilla.suse.com/show_bug.cgi?id=999735
https://www.suse.com/security/cve/CVE-2017-12837/
https://www.suse.com/security/cve/CVE-2017-12883/
Plugin Details
Severity: Critical
ID: 104783
File Name: suse_SU-2017-3092-1.nasl
Version: 3.8
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 11/27/2017
Updated: 1/6/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 4.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P
CVSS v3
Risk Factor: Critical
Base Score: 9.1
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:perl, p-cpe:/a:novell:suse_linux:perl-base, p-cpe:/a:novell:suse_linux:perl-base-debuginfo, p-cpe:/a:novell:suse_linux:perl-debuginfo, p-cpe:/a:novell:suse_linux:perl-debugsource, cpe:/o:novell:suse_linux:12
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 11/24/2017
Vulnerability Publication Date: 6/1/2017