CVE-2018-18227 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer DereferenceCWE-20 — Improper Input Validation7 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.8%
top 17.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkDebian Linux
Timeline
PublishedOct 12
Latest updateMay 13

Description

In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector could crash. This was addressed in epan/dissectors/packet-mswsp.c by properly handling NULL return values.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 2.6.4-1 (bookworm)
▶Debianwireshark/wireshark< 2.6.4-1+3
▶NVDwireshark/wireshark2.4.0 — 2.4.9+1

Also affects: Debian Linux 9.0

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-ffg3-hh5q-jq5v: In Wireshark 2↗2022-05-13
▶
OSV
CVE-2018-18227: In Wireshark 2↗2018-10-12
▶

📋Vendor Advisories

2
Red Hat
wireshark: MS-WSP dissector crash↗2018-10-10
▶
Debian
CVE-2018-18227: wireshark - In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector co...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-12086 CVE-2018-18225 CVE-2018-18226 CVE-2018-18227 wireshark: various flaws [fedora-all]↗2018-10-25
▶
Bugzilla
CVE-2018-18227 wireshark: MS-WSP dissector crash↗2018-10-25
▶