CVE-2017-12814
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-12814
Vendor advisory: cve@mitre.org — https://rt.perl.org/Public/Bug/Display.html?id=131665
Vendor advisory: cve@mitre.org — https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
Vendor advisory: cve@mitre.org — https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- 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
- https://security-tracker.debian.org/tracker/CVE-2017-12814
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.