High severity · published Jul 19, 2018
CVE-2018-14343
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash
7.5
CVSS
3.3%
EPSS
No
On KEV
Description
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
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)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
WI
Wireshark · Wireshark
2.2.0 through 2.2.15; 2.4.0 through 2.4.7; 2.6.0 through 2.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14343
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14343
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
Third Party Advisory
http://www.securityfocus.com/bid/104847
Third Party Advisory
http://www.securitytracker.com/id/1041608
Issue Tracking
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682
code.wireshark.org
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9402f2f80c6bc7d25178a0875c5a1f5ee36361db
Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html
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