CVE-2012-2386
HIGH severity · CVSS 7.5 · CWE-189
7.5CVSS HIGH
Summary
Integer overflow in the phar_parse_tarfile function in tar.c in the phar extension in PHP before 5.3.14 and 5.4.x before 5.4.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted tar file that triggers a heap-based buffer overflow.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)42%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.php.net/ChangeLog-5.phpAdvisory
- https://bugs.php.net/bug.php?id=61065Advisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=158d8a6b088662ce9d31e0c777c6ebe90efdc854
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.htmlAdvisory
- http://openwall.com/lists/oss-security/2012/05/22/10Advisory
- http://support.apple.com/kb/HT5501Advisory
- http://0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.htmlAdvisory