#VU43908 Heap-based buffer overflow in PHP - CVE-2012-2386
Published: July 7, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43908
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2012-2386
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in 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. A remote attacker can use a crafted tar file that triggers a heap-based buffer overflow. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- http://0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.html
- http://git.php.net/?p=php-src.git;a=commit;h=158d8a6b088662ce9d31e0c777c6ebe90efdc854
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html
- http://openwall.com/lists/oss-security/2012/05/22/10
- http://support.apple.com/kb/HT5501
- http://www.php.net/ChangeLog-5.php
- https://bugs.php.net/bug.php?id=61065
- https://bugzilla.redhat.com/show_bug.cgi?id=823594