CVE-2016-7125

Publication date 11 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

ext/session/session.c in PHP before 5.6.25 and 7.x before 7.0.10 skips invalid session names in a way that triggers incorrect parsing, which allows remote attackers to inject arbitrary-type session data by leveraging control of a session name, as demonstrated by object injection.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.20
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.25
php7.0	16.04 LTS xenial	Fixed 7.0.8-0ubuntu0.16.04.3
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

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=8763c6090d627d8bb0ee1d030c30e58f406be9ce Upstream: http://git.php.net/?p=php-src.git;a=commit;h=b172f43caa048861899e78eb56607cb5b60e5cfb
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=8763c6090d627d8bb0ee1d030c30e58f406be9ce Upstream: http://git.php.net/?p=php-src.git;a=commit;h=0d13325b660b5ae64267dffcc9a153c7634fdfe2 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=b172f43caa048861899e78eb56607cb5b60e5cfb

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	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-3095-1
PHP vulnerabilities
4 October 2016