Integer overflow in PCRE - CVE-2015-8394
Published: June 20, 2023
Vulnerability identifier: #VU77577
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-8394
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PCRE
Affected software:
PCRE
PCRE
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing the (?() and (?(R) conditions. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
How to mitigate CVE-2015-8394
Install updates from vendor's website.
Sources
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- http://www.securityfocus.com/bid/82990
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
- https://bto.bluecoat.com/security-advisory/sa128
- https://security.gentoo.org/glsa/201607-02
- https://security.netapp.com/advisory/ntap-20230216-0002/