VulnerabilityModified
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.
CRITICAL 9.8EPSS 6.98%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.98% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- perl/perl
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/101051Third Party Advisory, VDB Entry
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131665Exploit, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.securityfocus.com/bid/101051Third Party Advisory, VDB Entry
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131665Exploit, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.