High severity · published Feb 23, 2018
CVE-2018-7420
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash
7.5
CVSS
2.7%
EPSS
No
On KEV
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
WI
Wireshark · Wireshark
2.2.0 through 2.2.12; 2.4.0 through 2.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7420
Third Party Advisory
http://www.securityfocus.com/bid/103163
Issue Tracking
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403
code.wireshark.org
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849
Mailing List
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
Mailing List
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2018-11.html
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