CVE-2016-7124

Publication date 11 September 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that leads to a (1) __destruct call or (2) magic method call.

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=448c9be157f4147e121f1a2a524536c75c9c6059 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=639f7fde6a51c23d7c670358fbcb777ac1a143f3
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=2135fdef9b588a34f8805b2bbf10704e36163d5a Upstream: http://git.php.net/?p=php-src.git;a=commit;h=61f2f5a0f760157f9c9d32d7d3df2be47a73e74d Upstream: http://git.php.net/?p=php-src.git;a=commit;h=e0f9fbdfa61012101de7f4a8653ca5538c404a71

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3095-1
PHP vulnerabilities
4 October 2016