CVE-2018-19624 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 49.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkDebian Linux
Timeline
PublishedNov 29
Latest updateMay 13

Description

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash. This was addressed in epan/dissectors/packet-pvfs2.c by preventing a NULL pointer dereference.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 2.6.5-1 (bookworm)
▶Debianwireshark/wireshark< 2.6.5-1+3
▶NVDwireshark/wireshark2.4.0 — 2.4.10+1

Also affects: Debian Linux 8.0, 9.0

🔴Vulnerability Details

2
GHSA
GHSA-cxjm-j999-j645: In Wireshark 2↗2022-05-13
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OSV
CVE-2018-19624: In Wireshark 2↗2018-11-29
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📋Vendor Advisories

2
Red Hat
wireshark: NULL pointer dereference resulting in a PVFS dissector crash↗2018-11-27
▶
Debian
CVE-2018-19624: wireshark - In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash....↗2018
▶

💬Community

2
Bugzilla
CVE-2018-19624 wireshark: NULL pointer dereference resulting in a PVFS dissector crash↗2018-12-04
▶
Bugzilla
CVE-2018-19622 CVE-2018-19623 CVE-2018-19624 CVE-2018-19625 CVE-2018-19626 CVE-2018-19627 CVE-2018-19628 wireshark: various flaws [fedora-all]↗2018-12-04
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