CVE-2016-9137

Publication date 4 January 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.21
	12.04 LTS precise	Not affected
php7.0	16.10 yakkety	Fixed 7.0.15-0ubuntu0.16.10.2
	16.04 LTS xenial	Fixed 7.0.15-0ubuntu0.16.04.2
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Notes

mdeslaur

should not unserialize untrusted data

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=0e6fe3a4c96be2d3e88389a5776f878021b4c59f
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=f42cbd749cde1f91274c1d03df9024baba141a8f

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