Home/CVE/Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before
CVE

CVE-2017-12814

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.

CRITICAL · CVSS 9.8 EPSS 0.05686
Act now
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules9 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

2
perl<= 5.24.2
perlall versions
⚠

Public Exploits & PoCs

1
pocrt.perl.org · Display.html?id=131665rt.perl.org
◈

Sigma Hunt Rules

9
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
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
▣

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 NVD28 Sep 2017 · 01:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:11158-1
🔗

References & Sources

5
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/101051Third Party AdvisoryVDB Entry
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release NotesVendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release NotesVendor Advisory
https://security.netapp.com/advisory/ntap-20180426-0001/
https://www.oracle.com/security-alerts/cpujul2020.html
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