CVE-2015-8720

MEDIUM

Description

The dissect_ber_GeneralizedTime function in epan/dissectors/packet-ber.c in the BER dissector in Wireshark 1.12.x before 1.12.9 and 2.0.x before 2.0.1 improperly checks an sscanf return value, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

References

http://www.debian.org/security/2016/dsa-3505

http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

http://www.securityfocus.com/bid/79814

http://www.securitytracker.com/id/1034551

http://www.wireshark.org/security/wnpa-sec-2015-39.html

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=921bb07115fbffc081ec56a5022b4a9d58db6d39

https://security.gentoo.org/glsa/201604-05

Details

Source: MITRE

Published: 2016-01-04

Updated: 2016-12-07

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM