Bug 1565674 (CVE-2018-9256)

Summary: CVE-2018-9256 wireshark: stack overflow via crafted LWAPP Layer 3 Packet
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: denis, huzaifas, lemenkov, mruprich, msehnout, phatina, rvokal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: wireshark 2.4.6, wireshark 2.2.14 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-05-07 18:42:17 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: 1565675, 1565676, 1565684, 1575726    
Bug Blocks: 1565716    

Description Laura Pardo 2018-04-10 14:16:50 UTC 
A flaw was found in Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the LWAPP dissector could crash. This was addressed in epan/dissectors/packet-lwapp.c by limiting the encapsulation levels to restrict the recursion depth.


References:
https://www.wireshark.org/security/wnpa-sec-2018-20.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467

Patch:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=dac48f148538c706c446e5105d84ebcb54587528
Comment 1 Laura Pardo 2018-04-10 14:18:23 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-26 [bug 1565676]
Comment 3 Laura Pardo 2018-04-10 15:37:02 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1565684]