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
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
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

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
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=f42cbd749cde1f91274c1d03df9024baba141a8f
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=0e6fe3a4c96be2d3e88389a5776f878021b4c59f

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