Home/CVE/Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbi
CVE

CVE-2018-6913

Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbi

Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.

CRITICAL · CVSS 9.8 EPSS 0.03896
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
debian linuxall versions
perl< 5.26.2
canonical ubuntu linuxall versions
◈

Sigma Hunt Rules

2
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
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2018 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

10
suse-csafSUSE-SU-2024:1762-1
suse-csafSUSE-SU-2024:1762-2
suse-csafSUSE-SU-2024:1630-1
rhsaRHSA-2026:6206Moderate
suse-csafSUSE-SU-2018:1972-2
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/103953Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040681Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/04/msg00009.htmlMailing ListThird Party Advisory
https://rt.perl.org/Public/Bug/Display.html?id=131844Vendor Advisory
https://security.gentoo.org/glsa/201909-01
https://usn.ubuntu.com/3625-1/Third Party Advisory
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