Vulnerability CVE-2016-10197
Published: 2017-03-15

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.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Libevent project -> Libevent 
Debian -> Debian linux 

 References:
http://www.debian.org/security/2017/dsa-3789
http://www.openwall.com/lists/oss-security/2017/01/31/17
http://www.openwall.com/lists/oss-security/2017/02/02/7
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
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
https://github.com/libevent/libevent/issues/332
https://security.gentoo.org/glsa/201705-01
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