CVE Vulnerabilities

CVE-2018-19624

NULL Pointer Dereference

Published: Nov 29, 2018 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash. This was addressed in epan/dissectors/packet-pvfs2.c by preventing a NULL pointer dereference.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name Vendor Start Version End Version
Wireshark Wireshark 2.4.0 (including) 2.4.10 (including)
Wireshark Wireshark 2.6.0 (including) 2.6.4 (including)
Wireshark Ubuntu bionic *
Wireshark Ubuntu cosmic *
Wireshark Ubuntu esm-apps/bionic *
Wireshark Ubuntu esm-apps/xenial *
Wireshark Ubuntu esm-infra-legacy/trusty *
Wireshark Ubuntu trusty *
Wireshark Ubuntu trusty/esm *
Wireshark Ubuntu upstream *
Wireshark Ubuntu xenial *

Potential Mitigations

References