Veracode Vulnerability DatabaseVERACODE:17919Out-of-bounds Read
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
libevent is vulnerable to out-of-bounds reads. A remote attacker could cause denial of service via an out-of-bounds read by forcing the application to resolve an empty hostname. Affected is the function search_make_new of the file evdns.c.
References
www.debian.org/security/2017/dsa-3789
www.openwall.com/lists/oss-security/2017/01/31/17
www.openwall.com/lists/oss-security/2017/02/02/7
www.securityfocus.com/bid/96014
www.securitytracker.com/id/1038320
access.redhat.com/errata/RHSA-2017:1104
access.redhat.com/errata/RHSA-2017:1106
access.redhat.com/errata/RHSA-2017:1201
access.redhat.com/security/cve/CVE-2016-10195
access.redhat.com/security/cve/CVE-2016-10196
access.redhat.com/security/cve/CVE-2016-10197
access.redhat.com/security/updates/classification/#critical
bugzilla.redhat.com/show_bug.cgi?id=1443326
github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
github.com/libevent/libevent/issues/332
security.gentoo.org/glsa/201705-01
www.mozilla.org/en-US/security/advisories/mfsa2017-08
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P