NULL pointer dereference in Wireshark

CVE-2020-7045

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.

EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wireshark
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-7045?: CVE-2020-7045 is a medium-severity vulnerability in Wireshark, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-01-16.
How severe is CVE-2020-7045?: Medium severity. CVSS v3 base score is 6.5 out of 10.