CVE-2012-5195

Home/CVE/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,

CVE

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,

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.

HIGH · CVSS 7.5 EPSS 0.05279

Schedule remediation

EPSS percentile: top 10% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules2 YARA rules0

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Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

perlall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighPotential Perl Reverse Shell Execution

productmediumPerl Inline Command Execution

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Scoring & Timeline

7.5

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published to NVD18 Dec 2012 · 12:55 AM

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Vendor Advisories

rhsaRHSA-2013:0746Important
rhsaRHSA-2013:0685Moderate
usnUSN-1643-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735

http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44PatchVendor Advisory

http://rhn.redhat.com/errata/RHSA-2013-0685.html

http://secunia.com/advisories/51457Vendor Advisory

Show all 16 references

http://secunia.com/advisories/55314

http://www.debian.org/security/2012/dsa-2586

http://www.mandriva.com/security/advisories?name=MDVSA-2013:113

http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html

http://www.openwall.com/lists/oss-security/2012/10/26/2

http://www.openwall.com/lists/oss-security/2012/10/27/1

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

http://www.securityfocus.com/bid/56287

http://www.ubuntu.com/usn/USN-1643-1

https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352

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