Bug 1549305 (CVE-2018-7418) - CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
Summary: CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-7418
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: 1549306 1557212 1557213
Blocks: 1549310
TreeView+ depends on / blocked
 
Reported: 2018-02-26 22:35 UTC by Laura Pardo
Modified: 2021-02-17 00:45 UTC (History)
6 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 SIGCOMP 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: 2020-03-31 22:32:04 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:1047 0 None None None 2020-03-31 19:15:48 UTC

Description Laura Pardo 2018-02-26 22:35:02 UTC 
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 22:35:36 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549306]
Comment 6 errata-xmlrpc 2020-03-31 19:15:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1047 https://access.redhat.com/errata/RHSA-2020:1047
Comment 7 Product Security DevOps Team 2020-03-31 22:32:04 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-7418
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