National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-19623 Detail

Current 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.

Source:  MITRE
Description Last Modified:  11/28/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/106051 Third Party Advisory VDB Entry
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15132 Exploit Issue Tracking Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9c8645ec7b28e4d7193962ecd2a418613bf6a84f Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html Mailing List Third Party Advisory
https://www.debian.org/security/2018/dsa-4359 Mailing List Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2018-53.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-19623
NVD Published Date:
11/28/2018
NVD Last Modified:
03/01/2019