CVE-2012-2386
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 42.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 42.5% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 42.5% · EPSS, next 30 days
- Weakness
- CWE-189
- Record status
- Modified
Affected
- PHP ≤ 5.3.13
- PHP < 5.4.4
Attack profile CVSS 2.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2012-2386.md and follow it. Check whether this project is affected by CVE-2012-2386. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.php.net/ChangeLog-5.php
- https://bugs.php.net/bug.php?id=61065
- http://www.php.net/ChangeLog-5.php
- https://bugs.php.net/bug.php?id=61065
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