CVE-2018-19623

HIGH

Wireshark 2.6.0-2.6.4, 2.4.0-2.4.10 - Memory Corruption

Title source: llm

Description

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

References (8)

Core 8

Core References

Vendor Advisory x_refsource_misc

https://www.wireshark.org/security/wnpa-sec-2018-53.html

Patch x_refsource_misc

https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9c8645ec7b28e4d7193962ecd2a418613bf6a84f

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html

Exploit, Issue Tracking, Vendor Advisory x_refsource_misc

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15132

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/106051

Mailing List, Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2018/dsa-4359

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html

Vendor Advisory x_refsource_misc

https://www.oracle.com/security-alerts/cpuapr2020.html

Scores

CVSS v3 7.5

EPSS 0.0206

EPSS Percentile 84.1%

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-787

Status published

Products (3)

debian/debian_linux 8.0

debian/debian_linux 9.0

wireshark/wireshark 2.4.0 - 2.4.10

Published Nov 29, 2018

Tracked Since Feb 18, 2026