CVE-2015-8719 Information

Description

The dissect_dns_answer function in epan/dissectors/packet-dns.c in the DNS dissector in Wireshark 1.12.x before 1.12.9 mishandles the EDNS0 Client Subnet option which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

CVSS Vector

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

Reference

http://www.debian.org/security/2016/dsa-3505 http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html http://www.securityfocus.com/bid/79816 http://www.securitytracker.com/id/1034551 http://www.wireshark.org/security/wnpa-sec-2015-38.html https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10988 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=30651ab18b42e666f57ea239e58f3ff3a5e9c4ad https://security.gentoo.org/glsa/201604-05

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5