Bug 1549255 (CVE-2018-7334) - CVE-2018-7334 wireshark: out of bounds access in UMTS MAC dissector in packet-umts_mac.c
Summary: CVE-2018-7334 wireshark: out of bounds access in UMTS MAC dissector in packet...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-7334
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1549256
Blocks: 1549310
TreeView+ depends on / blocked
 
Reported: 2018-02-26 19:58 UTC by Laura Pardo
Modified: 2021-02-17 00:46 UTC (History)
8 users (show)

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.
Clone Of:
Environment:
Last Closed: 2018-03-16 08:58:37 UTC
Embargoed:

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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:

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14339
https://www.wireshark.org/security/wnpa-sec-2018-07.html

Upstream Patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=8ed705e1227d3d5
Comment 1 Laura Pardo 2018-02-26 19:58:56 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549256]
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