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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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 Vendor Advisory
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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2018-07-18 19:29

Updated : 2020-03-19 18:15

NVD link : CVE-2018-14340

Mitre link : CVE-2018-14340

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

debian

debian_linux

wireshark

wireshark

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