Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2020-7045

NULL Pointer Dereference

Published: Jan 16, 2020 | Modified: Nov 07, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
3.3 LOW
AV:A/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-7045
CWEhttps://cwe.mitre.org/data/definitions/476.html

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Wireshark Wireshark 3.0.0 (including) 3.0.8 (excluding)
Wireshark Ubuntu bionic *
Wireshark Ubuntu disco *
Wireshark Ubuntu eoan *
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

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