CVE-2017-12814

CRITICAL

perl < 5.24.3-RC1 and 5.26.x < 5.26.1-RC1 - Stack-based Buffer Overflow via Long Environment Variable

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101051
Exploit, Patch, Vendor Advisory x_refsource_confirm
https://rt.perl.org/Public/Bug/Display.html?id=131665
Release Notes, Vendor Advisory x_refsource_confirm
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
Release Notes, Vendor Advisory x_refsource_confirm
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20180426-0001/

Scores

CVSS v3 9.8
EPSS 0.0698
EPSS Percentile 93.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (2)
perl/perl 5.26.0
perl/perl < 5.24.2
Published Sep 28, 2017
Tracked Since Feb 18, 2026