CVE-2017-13764 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 39.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
WiresharkDebian Wireshark
Timeline
PublishedAug 30
Latest updateMay 17

Description

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

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 2.4.1-1 (bookworm)
▶Debianwireshark/wireshark< 2.4.1-1+3

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-hvvw-753h-39jv: In Wireshark 2↗2022-05-17
▶
OSV
CVE-2017-13764: In Wireshark 2↗2017-08-30
▶

📋Vendor Advisories

2
Red Hat
wireshark: Modbus dissector crash (wnpa-sec-2017-40)↗2017-08-29
▶
Debian
CVE-2017-13764: wireshark - In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer derefer...↗2017
▶

💬Community

1
Bugzilla
CVE-2017-13764 wireshark: Modbus dissector crash (wnpa-sec-2017-40)↗2017-08-30
▶