Bug 1483910 (CVE-2017-6420)

Summary: CVE-2017-6420 clamav: use-after-free in wwunpack function
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: gbcox, janfrode, j, ondrejj, orion, redhat-bugzilla, rhbugs, sergio, steve
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2018-09-26 05:41:34 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 1483911, 1483912    
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Description Adam Mariš 2017-08-22 09:09:20 UTC 
The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows
remote attackers to cause a denial of service (use-after-free) via a
crafted PE file with WWPack compression.

Upstream patch:

https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc
Comment 1 Adam Mariš 2017-08-22 09:10:14 UTC 
Created clamav tracking bugs for this issue:

Affects: epel-all [bug 1483912]
Affects: fedora-all [bug 1483911]