Vulnerability Report

CVE-2017-12814

Title: Perl RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-12814.

CWE Category CWE-119

Published Date Sep 28, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

6.98%

Vulnerability Summary

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 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.

Impacted Vendors

perl 1

larry_wall 1

Reference Links

http://www.securityfocus.com/bid/101051 https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 https://rt.perl.org/Public/Bug/Display.html?id=131665 https://security.netapp.com/advisory/ntap-20180426-0001/ https://www.oracle.com/security-alerts/cpujul2020.html http://www.securityfocus.com/bid/101051 https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 https://rt.perl.org/Public/Bug/Display.html?id=131665 https://security.netapp.com/advisory/ntap-20180426-0001/ https://www.oracle.com/security-alerts/cpujul2020.html

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns