CVE-2017-12814
CRITICAL severity · CVSS 9.8 · Memory corruption
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)7%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://rt.perl.org/Public/Bug/Display.html?id=131665 ↗
Additional information
- NVD record
- https://rt.perl.org/Public/Bug/Display.html?id=131665Patch
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Advisory
- http://www.securityfocus.com/bid/101051Advisory
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html