EulerOS 2.0 SP1 : libevent (EulerOS-SA-2017-1090)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote EulerOS host is missing multiple security updates.

Description :

According to the versions of the libevent package installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

- The name_parse function in evdns.c in libevent before
2.1.6-beta allows remote attackers to have unspecified
impact via vectors involving the label_len variable,
which triggers an out-of-bounds stack
read.(CVE-2016-10195)

- Stack-based buffer overflow in the
evutil_parse_sockaddr_port function in evutil.c in
libevent before 2.1.6-beta allows attackers to cause a
denial of service (segmentation fault) via vectors
involving a long string in brackets in the ip_as_string
argument.(CVE-2016-10196)

- 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.(CVE-2016-10197)

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

http://www.nessus.org/u?88de467a

Solution :

Update the affected libevent packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Huawei Local Security Checks

Nessus Plugin ID: 100685 ()

Bugtraq ID:

CVE ID: CVE-2016-10195
CVE-2016-10196
CVE-2016-10197

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