Home/CVE/Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive informa
CVE

CVE-2018-18313

Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive informa

Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.

CRITICAL · CVSS 9.1 EPSS 0.0461
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

9
perl< 5.26.3
canonical ubuntu linuxall versions
debian linuxall versions
redhat enterprise linuxall versions
netapp e-series santricity os controller>= 11.0 and <= 11.40
netapp snap creator frameworkall versions
netapp snapcenterall versions
netapp snapdriveall versions
⚠

Public Exploits & PoCs

1
pocrt.perl.org · Display.html?id=133192rt.perl.org
◈

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

9.1
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 NVD07 Dec 2018 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

6
rhsaRHSA-2026:7604Moderate
suse-csafSUSE-SU-2018:4187-1
usnUSN-3834-2
usnUSN-3834-1
rhsaRHSA-2019:0001Important
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2019/Mar/49Third Party Advisory
http://www.securitytracker.com/id/1042181Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1646738Issue TrackingPatchThird Party Advisory
https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
https://metacpan.org/changes/release/SHAY/perl-5.26.3Third Party Advisory
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