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 tha

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.

Published 2018-07-19 02:29:00

Updated 2020-03-20 01:15:17

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-14340

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 2.2.0 and up to, including, (<=) 2.2.15
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 2.4.0 and up to, including, (<=) 2.4.7
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 2.6.0 and up to, including, (<=) 2.6.1
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-14340

EPSS FAQ

0.32%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 70 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-14340

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-14340

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-14340

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

[security-announce] openSUSE-SU-2020:0362-1: moderate: Security update f

CVEs referencing this url
http://www.securitytracker.com/id/1041608

Wireshark Bugs in Multiple Dissectors Let Remote Users Cause the Application to Crash or Consume Excessive CPU Resources - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://www.securityfocus.com/bid/104847

Wireshark Multiple Denial of Service Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html

[SECURITY] [DLA 1451-1] wireshark security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675

14675 – [oss-fuzz] ASAN: heap-buffer-overflow epan/tvbuff_zlib.c:103:9 in tvb_uncompress
Exploit;Issue Tracking;Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2018-36.html

Wireshark · wnpa-sec-2018-36 · Multiple dissectors could crash
Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=672d882a53f96730e4ef1e5b1639c585823b0df8

code.wireshark Code Review - wireshark.git/commit
Patch;Vendor Advisory

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Vulnerability Details : CVE-2018-14340

Products affected by CVE-2018-14340

Exploit prediction scoring system (EPSS) score for CVE-2018-14340

CVSS scores for CVE-2018-14340

CWE ids for CVE-2018-14340

References for CVE-2018-14340