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Bug 1549305 - (CVE-2018-7418) CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180211,reported=2...
: Security
Depends On: 1557212 1557213 1549306
Blocks: 1549310
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Reported: 2018-02-26 17:35 EST by Laura Pardo
Modified: 2018-06-21 05:16 EDT (History)
6 users (show)

See Also:
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 SIGCOMP dissector in Wireshark. A remote network attacker could potentially use this flaw to crash Wireshark by tricking it into processing a crafted packet.
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Description Laura Pardo 2018-02-26 17:35:02 EST 
A flaw was found in Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by correcting the extraction of the length value. 

External References:

https://www.wireshark.org/security/wnpa-sec-2018-13.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14410

Upstream Patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=29d920b8309905
Comment 1 Laura Pardo 2018-02-26 17:35:36 EST 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549306]
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