CVE-2012-2386
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
PHP 'phar' Extension 1.1.1 - Heap Overflow
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| php | php | {"endIncluding":"5.3.13"} | |
References
- http://0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.html
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=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
- http://0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.html
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=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
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.