National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-19624 Detail

Current 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.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
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=15280 Exploit Issue Tracking Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=3e319db1107b08fc3be804b6d449143ec9aa0dec Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html Third Party Advisory
https://www.debian.org/security/2018/dsa-4359 Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2018-56.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
2.4.0
Up to (including)
2.4.10
 cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
2.6.0
Up to (including)
2.6.4

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-19624
NVD Published Date:
11/28/2018
NVD Last Modified:
02/26/2019