CVE-2020-7045 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer DereferenceCWE-20 — Improper Input ValidationCWE-74 — Injection6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 52.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkDebian Linux
Timeline
PublishedJan 16
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 3.2.0-1 (bookworm)
▶NVDwireshark/wireshark3.0.0 — 3.0.8
▶Debianwireshark/wireshark< 3.2.0-1+3

Also affects: Debian Linux 9.0

Patches

Patch: bugs.wireshark.org ↗Patch: bugs.wireshark.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-hx2c-xvp4-cgw4: In Wireshark 3↗2022-05-24
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OSV
CVE-2020-7045: In Wireshark 3↗2020-01-16
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📋Vendor Advisories

2
Red Hat
wireshark: invalid memory access in BT ATT dissector↗2020-01-15
▶
Debian
CVE-2020-7045: wireshark - In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addr...↗2020
▶

💬Community

1
Bugzilla
CVE-2020-7045 wireshark: invalid memory access in BT ATT dissector↗2020-02-05
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