CVE-2017-12814 json
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 Wind…
published 2017-09-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4351
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.0%
- EPSS 7.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
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.
Patch / fix
- perl openSUSE Tumbleweed 5.34.0-1.1
opensuse advisories openSUSE-SU-2024:11158-1
Exploit prediction
6.98% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- rt.perl.org https://rt.perl.org/Public/Bug/Display.html?id=131665 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
rt.perl.org
/Public/Bug/Display.html?id=131665
exploit, patch, vendor-advisory
-
perl5.git.perl.org
/perl.git/log/refs/tags/v5.26.1-RC1
release-notes, vendor-advisory
-
perl5.git.perl.org
/perl.git/log/refs/tags/v5.24.3-RC1
release-notes, vendor-advisory
-
securityfocus.com
/bid/101051
vdb-entry, third-party-advisory
- oracle.com /security-alerts/cpujul2020.html
- security.netapp.com /advisory/ntap-20180426-0001/
Sources
- CVE List CVE-2017-12814
- NVD CVE-2017-12814
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.