Bug 1305548

Summary: php: Crash in SessionHandler::read()
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dmcphers, fedora, jialiu, jokerman, jorton, lmeyer, mmaslano, mmccomas, rcollet, webstack-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: php 5.6.18, php 5.5.32 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-09-07 21:14:29 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1305565    
Bug Blocks: 1305564    

Description Adam Mariš 2016-02-08 14:50:47 UTC
A crash in SessionHandler::read() was reported caused by uninitializing data->lastkey, if session_start() is not called.

Upstream bug:

https://bugs.php.net/bug.php?id=69111

Upstream patch:

https://git.php.net/?p=php-src.git;a=commit;h=a793b709086eed655bc98f933d838b8679b28920

Comment 1 Adam Mariš 2016-02-08 15:12:53 UTC
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1305565]

Comment 2 Remi Collet 2016-02-08 15:25:13 UTC
Not security

Comment 3 Tomas Hoger 2017-09-07 21:14:29 UTC
Upstream bug indicates it's a crash triggered by a specially crated PHP script.  There's no indication of any security impact.