CVE-2020-9429 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 30.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkOpensuse Leap
Timeline
PublishedFeb 27
Latest updateMay 24

Description

In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/wireshark< wireshark 3.2.2-1 (bookworm)
▶Debianwireshark/wireshark< 3.2.2-1+3
▶NVDwireshark/wireshark3.2.0 — 3.2.1
▶NVDopensuse/leap15.1

🔴Vulnerability Details

2
GHSA
GHSA-hm4c-x6v5-6m98: In Wireshark 3↗2022-05-24
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OSV
CVE-2020-9429: In Wireshark 3↗2020-02-27
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📋Vendor Advisories

2
Red Hat
wireshark: WireGuard dissector could crash due to NULL pointer dereference↗2020-02-28
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Debian
CVE-2020-9429: wireshark - In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addre...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-9429 wireshark: WireGuard dissector could crash due to NULL pointer dereference [fedora-all]↗2020-04-28
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Bugzilla
CVE-2020-9429 wireshark: WireGuard dissector could crash due to NULL pointer dereference↗2020-04-28
▶