CVE-2015-4644

Publication date 18 June 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The php_pgsql_meta_data function in pgsql.c in the PostgreSQL (aka pgsql) extension in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not validate token extraction for table names, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted name. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1352.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	15.04 vivid	Fixed 5.6.4+dfsg-4ubuntu6.2
	14.10 utopic	Fixed 5.5.12+dfsg-2ubuntu4.6
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.11
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.19

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=2cc4e69cc6d8dbc4b3568ad3dd583324a7c11d64 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=3ee3066bd00b15b050c2f70ccf8d6a6373f51c09

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2658-1
PHP vulnerabilities
6 July 2015