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CVE-2012-2386

7.5 · HIGH

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 cras…

Published Jul 7, 2012phpCWE-189EPSS 42.48%

Overview

CVE-2012-2386 is a high-severity vulnerability affecting php php. It was published on July 7, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
phpphp0Affected

References

Ref0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.htmlRefgit.php.net/?p=php-src.git%3Ba=commit%3Bh=158d8a6b088662ce9d31e0c777c6ebe90efdc854Reflists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlReflists.opensuse.org/opensuse-security-announce/2012-07/msg00003.htmlRefopenwall.com/lists/oss-security/2012/05/22/10Refsupport.apple.com/kb/HT5501Refwww.php.net/ChangeLog-5.phpRefbugs.php.net/bug.php?id=61065Refbugzilla.redhat.com/show_bug.cgi?id=823594Ref0x1byte.blogspot.com/2011/04/php-phar-extension-heap-overflow.html

How CyberStrike helps

Frequently asked questions

What is CVE-2012-2386?

CVE-2012-2386 is a high-severity vulnerability affecting php php. It was published on July 7, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2012-2386?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-2386?

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-2386?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-2386 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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