Bug 1549255 (CVE-2018-7334)

Summary: CVE-2018-7334 wireshark: out of bounds access in UMTS MAC dissector in packet-umts_mac.c
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, dkholia, huzaifas, lemenkov, mruprich, msehnout, phatina, rvokal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: wireshark 2.4.5, wireshark 2.2.13 Doc Type: If docs needed, set a value
Doc Text:
A denial of service flaw was found in the UMTS MAC dissector in Wireshark. A remote network attacker could potentially use this flaw to crash Wireshark by tricking it into processing a crafted packet.
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-03-16 08:58:37 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1549256    
Bug Blocks: 1549310    

Description Laura Pardo 2018-02-26 19:58:18 UTC
A flaw was found in Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value. 

External References:


Upstream Patch:


Comment 1 Laura Pardo 2018-02-26 19:58:56 UTC
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549256]