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Vulnerability Details : CVE-2012-5195

Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service (memory consumption and crash) or possibly execute arbitrary code via the 'x' string repeat operator.
Publish Date : 2012-12-17 Last Update Date : 2016-12-07
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2013-0685 -- perl security update (moderate) oval:org.mitre.oval:def:27634 unix
DEPRECATED: ELSA-2013:0685: perl security update (Moderate) oval:org.mitre.oval:def:23419 unix
DSA-2586-1 perl - several oval:org.mitre.oval:def:19449 unix
ELSA-2013:0685: perl security update (Moderate) oval:org.mitre.oval:def:23712 unix
RHSA-2013:0685: perl security update (Moderate) oval:org.mitre.oval:def:20994 unix
RHSA-2013:0685: perl security update (Moderate) oval:com.redhat.rhsa:def:20130685 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-5195

# Product Type Vendor Product Version Update Edition Language
1 Application Perl Perl 5.12.0 RC0 Version Details Vulnerabilities
2 Application Perl Perl 5.12.0 RC1 Version Details Vulnerabilities
3 Application Perl Perl 5.12.0 RC2 Version Details Vulnerabilities
4 Application Perl Perl 5.12.0 RC3 Version Details Vulnerabilities
5 Application Perl Perl 5.12.0 RC4 Version Details Vulnerabilities
6 Application Perl Perl 5.12.0 Version Details Vulnerabilities
7 Application Perl Perl 5.12.0 RC5 Version Details Vulnerabilities
8 Application Perl Perl 5.12.1 Version Details Vulnerabilities
9 Application Perl Perl 5.12.1 RC1 Version Details Vulnerabilities
10 Application Perl Perl 5.12.1 RC2 Version Details Vulnerabilities
11 Application Perl Perl 5.12.2 Version Details Vulnerabilities
12 Application Perl Perl 5.12.2 RC1 Version Details Vulnerabilities
13 Application Perl Perl 5.12.3 RC1 Version Details Vulnerabilities
14 Application Perl Perl 5.12.3 RC2 Version Details Vulnerabilities
15 Application Perl Perl 5.12.3 RC3 Version Details Vulnerabilities
16 Application Perl Perl 5.12.3 Version Details Vulnerabilities
17 Application Perl Perl 5.12.4 Version Details Vulnerabilities
18 Application Perl Perl 5.14.0 RC1 Version Details Vulnerabilities
19 Application Perl Perl 5.14.0 RC2 Version Details Vulnerabilities
20 Application Perl Perl 5.14.0 RC3 Version Details Vulnerabilities
21 Application Perl Perl 5.14.0 Version Details Vulnerabilities
22 Application Perl Perl 5.14.1 Version Details Vulnerabilities
23 Application Perl Perl 5.14.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Perl Perl 23

- References For CVE-2012-5195

http://www.ubuntu.com/usn/USN-1643-1
UBUNTU USN-1643-1
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352 CONFIRM
http://www.securityfocus.com/bid/56287
BID 56287 Perl CVE-2012-5195 Heap-Based Memory Corruption Vulnerability Release Date:2016-07-29
http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44 CONFIRM
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673 CONFIRM
http://www.openwall.com/lists/oss-security/2012/10/27/1
MLIST [oss-security] 20121027 Re: Medium severity flaw with Perl 5
http://www.openwall.com/lists/oss-security/2012/10/26/2
MLIST [oss-security] 20121026 Medium severity flaw with Perl 5
http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html
MLIST [perl.perl5.porters] 20121010 maint-5.12, maint-5.14, and CVE-2012-5195
http://www.debian.org/security/2012/dsa-2586
DEBIAN DSA-2586
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html CONFIRM
http://rhn.redhat.com/errata/RHSA-2013-0685.html
REDHAT RHSA-2013:0685
http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
MANDRIVA MDVSA-2013:113
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 CONFIRM
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 CONFIRM

- Metasploit Modules Related To CVE-2012-5195

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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