CVE-2018-14343
HIGH severity · CVSS 7.5 · Integer overflow
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-37.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104847Advisory
- http://www.securitytracker.com/id/1041608Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9402f2f80c6bc7d25178a0875c5a1f5ee36361db
- https://lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlAdvisory