CVE-2018-7323

HIGH

Wireshark 2.2.0-2.2.12 and 2.4.0-2.4.4 - Denial of Service via WCCP Packet Dissector

Title source: llm
STIX 2.1

Description

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-wccp.c had a large loop that was addressed by ensuring that a calculated length was monotonically increasing.

References (7)

Core 7
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
Vendor Advisory x_refsource_confirm
https://www.wireshark.org/security/wnpa-sec-2018-06.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103158
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14412

Scores

CVSS v3 7.5
EPSS 0.0252
EPSS Percentile 82.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-834
Status published
Products (3)
debian/debian_linux 7.0
debian/debian_linux 8.0
wireshark/wireshark 2.2.0 - 2.2.12
Published Feb 23, 2018
Tracked Since Feb 18, 2026