CVE-2015-2331
HIGH severity · CVSS 7.5 · CWE-189
7.5CVSS HIGH
Summary
Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a ZIP archive that contains many entries, leading to a heap-based buffer overflow.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)43%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://hg.nih.at/libzip/rev/9f11d54f692eAdvisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=ef8fc4b53d92fbfcd8ef1abbd6f2f5fe2c4a11e5
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154266.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154276.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154666.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155299.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155622.html