CVE-2015-2325
HIGH severity · CVSS 7.8 · Out-of-bounds read
7.8CVSS HIGH
Summary
The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code, cause a denial of service (out-of-bounds heap read and crash), or possibly have other unspecified impact via a regular expression with a group containing a forward reference repeated a large number of times within a repeated outer group that has a zero minimum quantifier.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.pcre.org/original/changelog.txtAdvisory
- https://www.pcre.org/original/changelog.txtAdvisory
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlAdvisory
- https://fortiguard.com/zeroday/FG-VD-15-015Advisory
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlAdvisory
- https://fortiguard.com/zeroday/FG-VD-15-015Advisory
- https://bugs.exim.org/show_bug.cgi?id=1591Advisory
- https://bugs.exim.org/show_bug.cgi?id=1591Advisory