CVE Vulnerability

CVE-2018-14340

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.wireshark.org/security/wnpa-sec-2018-36.html Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=672d882a53f96730e4ef1e5b1639c585823b0df8 Patch Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675 Exploit Issue Tracking
http://www.securityfocus.com/bid/104847 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html Mailing List Third Party Advisory
http://www.securitytracker.com/id/1041608 Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
Configurations

Configuration 1

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Information

Published : 2018-07-19 02:29

Updated : 2020-03-20 01:15

NVD link : CVE-2018-14340

Mitre link : CVE-2018-14340

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read