Bug 1190864

Summary: libhtp: denial of service under memory stress
Product: [Other] Security Response Reporter: Martin Prpič <mprpic>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: athmanem, bochecha, sgrubb
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2018-09-17 23:06:25 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: 1190865, 1190866, 1190867    
Bug Blocks:    

Description Martin Prpič 2015-02-09 19:49:14 UTC
A NULL pointer dereference flaw was found in libhtp:

Under severe memory pressure the decompress code can fail to setup properly. Add checks before dereferencing pointers.

Suricata, which embeds libhtp, may also be affected.

Upstream patch:

https://github.com/inliniac/libhtp/commit/c7c03843cd6b1cbf44eb435d160ba53aec948828

Comment 1 Martin Prpič 2015-02-09 19:50:34 UTC
Created suricata tracking bugs for this issue:

Affects: fedora-all [bug 1190865]

Comment 2 Martin Prpič 2015-02-09 19:50:37 UTC
Created libhtp tracking bugs for this issue:

Affects: fedora-all [bug 1190866]
Affects: epel-6 [bug 1190867]

Comment 3 Fedora Update System 2015-02-26 05:56:23 UTC
libhtp-0.5.6-3.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.