Bug 977462 (CVE-2013-4635)

Summary:	CVE-2013-4635 php: Integer overflow in SndToJewish - DoS (excessive CPU use, interpreter hang)
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bgollahe, drieden, fedora, hhorak, jorton, rcollet, rpm, webstack-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-06-25 08:53:36 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	977464

Description Jan Lieskovsky 2013-06-24 15:41:35 UTC

Common Vulnerabilities and Exposures assigned an identifier CVE-2013-4635 to the following vulnerability:

Integer overflow in the SdnToJewish function in jewish.c in the Calendar component in PHP before 5.3.26 and 5.4.x before 5.4.16 allows context-dependent attackers to cause a denial of service (application hang) via a large argument to the jdtojewish function.

References:
[1] http://www.php.net/ChangeLog-5.php
[2] https://bugs.php.net/bug.php?id=64895

Relevant upstream patches:
[3] http://git.php.net/?p=php-src.git;a=commit;h=fc2a9d6e47ae23adb28122539b56df0d6195bdce
[4] http://git.php.net/?p=php-src.git;a=commit;h=c50cef1dc54ffd1d0fb71d1afb8b2c3cb3c5b6ef
[5] http://git.php.net/?p=php-src.git;a=commit;h=c50cef1dc54ffd1d0fb71d1afb8b2c3cb3c5b6ef

Comment 2 Huzaifa S. Sidhpurwala 2013-06-25 08:53:02 UTC

Statement:

Not Vulnerable. This issue does not affect the version of php as shipped with Red Hat Enterprise Linux 5 and 6. This issue does not affect the version of php53 as shipped with Red Hat Enterprise Linux 5.

Comment 3 Huzaifa S. Sidhpurwala 2013-06-25 08:53:36 UTC

This issue was addressed in Fedora-18 via the following update:
https://admin.fedoraproject.org/updates/FEDORA-2013-10255