National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-10197 Detail

Current Description

The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.

Source:  MITRE
Description Last Modified:  03/15/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

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

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3789 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/31/17 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/02/7 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/96014
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1104
https://access.redhat.com/errata/RHSA-2017:1106
https://access.redhat.com/errata/RHSA-2017:1201
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog Release Notes Third Party Advisory
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e Patch Third Party Advisory
https://github.com/libevent/libevent/issues/332 Exploit Third Party Advisory
https://security.gentoo.org/glsa/201705-01

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-10197
NVD Published Date:
03/15/2017
NVD Last Modified:
01/04/2018