CVE-2019-5718 Information

Description

In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11 the RTSE dissector and other ASN.1 dissectors could crash. This was addressed in epan/charsets.c by adding a get_t61_string length check.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html http://www.securityfocus.com/bid/106482 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15373 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=cd09cb5cfb673beca3cce20b1d6a9bc67a134ae1 https://seclists.org/bugtraq/2019/Mar/35 https://www.debian.org/security/2019/dsa-4416 https://www.oracle.com/security-alerts/cpujan2020.html https://www.wireshark.org/security/wnpa-sec-2019-03.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5