CVE-2018-7336 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 22.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkDebian Linux
Timeline
PublishedFeb 23
Latest updateMay 13

Description

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the FCP protocol dissector could crash. This was addressed in epan/dissectors/packet-fcp.c by checking for a NULL pointer.

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 2.4.5-1 (bookworm)
▶Debianwireshark/wireshark< 2.4.5-1+3
▶NVDwireshark/wireshark2.2.0 — 2.2.12+1

Also affects: Debian Linux 7.0, 8.0

🔴Vulnerability Details

2
GHSA
GHSA-qj6w-fmw8-346j: In Wireshark 2↗2022-05-13
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OSV
CVE-2018-7336: In Wireshark 2↗2018-02-23
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📋Vendor Advisories

2
Red Hat
wireshark: FCP dissector crash in packet-fcp.c↗2018-01-30
▶
Debian
CVE-2018-7336: wireshark - In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the FCP protocol dissector coul...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-7336 wireshark: FCP dissector crash in packet-fcp.c↗2018-02-26
▶
Bugzilla
CVE-2018-7336 wireshark: FCP dissector crash in packet-fcp.c [fedora-all]↗2018-02-26
▶