Bug 1549270 (CVE-2018-7336) - CVE-2018-7336 wireshark: FCP dissector crash in packet-fcp.c
Summary: CVE-2018-7336 wireshark: FCP dissector crash in packet-fcp.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-7336
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: 1549271
Blocks: 1549310
TreeView+ depends on / blocked
 
Reported: 2018-02-26 20:54 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 FCP 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 08:35:23 UTC
Embargoed:

Attachments (Terms of Use)

Description Laura Pardo 2018-02-26 20:54:59 UTC 
A flaw was found in Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the FCP protocol dissector could crash. This was addressed in epan/dissectors/packet-fcp.c by checking for a NULL pointer. 


External References:

https://www.wireshark.org/security/wnpa-sec-2018-09.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14374

Upstream Patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=b56f598f1bc04f5
Comment 1 Laura Pardo 2018-02-26 20:55:26 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549271]
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