Bug 1426744 - mod_auth_mellon: Badly formed logout message causes null pointer dereference
Summary: mod_auth_mellon: Badly formed logout message causes null pointer dereference
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1426747
Blocks: 1426746
TreeView+ depends on / blocked
 
Reported: 2017-02-24 18:04 UTC by Adam Mariš
Modified: 2021-02-17 02:33 UTC (History)
2 users (show)

Fixed In Version: mod_auth_mellon 0.13.0
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the way mod_auth_mellon handled logout messages. A remote attacker could potentially use this flaw to crash mod_auth_mellon by sending a specially crafted logout message.
Clone Of:
Environment:
Last Closed: 2017-07-24 06:44:04 UTC
Embargoed:

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Description Adam Mariš 2017-02-24 18:04:08 UTC 
It was reported that badly formed logout message can cause segmentation fault due to dereferencing null pointer in mod_auth_mellon.

Upstream patch:

https://github.com/UNINETT/mod_auth_mellon/commit/6bdda9170a8f1757dabc5b109958657417728018
Comment 1 Adam Mariš 2017-02-24 18:07:18 UTC 
CVE has been requested via DWF.
Comment 2 Adam Mariš 2017-02-24 18:08:45 UTC 
Created mod_auth_mellon tracking bugs for this issue:

Affects: fedora-all [bug 1426747]
Comment 3 Dhiru Kholia 2017-07-24 06:39:19 UTC 
Statement:

Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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