National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-8719 Detail

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.

Source:  MITRE
Description Last Modified:  01/04/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Vendor Advisory
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

Technical Details

Vulnerability Type (View All)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8719
NVD Published Date:
01/04/2016
NVD Last Modified:
12/07/2016