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ID de Prueba:1.3.6.1.4.1.25623.1.0.882497
Categoría:CentOS Local Security Checks
Título:CentOS Update for squid CESA-2016:1138 centos6
Resumen:Check the version of squid
Descripción:Summary:
Check the version of squid

Vulnerability Insight:
Squid is a high-performance proxy caching
server for web clients, supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

* A buffer overflow flaw was found in the way the Squid cachemgr.cgi
utility processed remotely relayed Squid input. When the CGI interface
utility is used, a remote attacker could possibly use this flaw to execute
arbitrary code. (CVE-2016-4051)

* Buffer overflow and input validation flaws were found in the way Squid
processed ESI responses. If Squid was used as a reverse proxy, or for
TLS/HTTPS interception, a remote attacker able to control ESI components on
an HTTP server could use these flaws to crash Squid, disclose parts of the
stack memory, or possibly execute arbitrary code as the user running Squid.
(CVE-2016-4052, CVE-2016-4053, CVE-2016-4054)

* An input validation flaw was found in Squid's mime_get_header_field()
function, which is used to search for headers within HTTP requests. An
attacker could send an HTTP request from the client side with specially
crafted header Host header that bypasses same-origin security protections,
causing Squid operating as interception or reverse-proxy to contact the
wrong origin server. It could also be used for cache poisoning for client
not following RFC 7230. (CVE-2016-4554)

* An incorrect reference counting flaw was found in the way Squid processes
ESI responses. If Squid is configured as reverse-proxy, for TLS/HTTPS
interception, an attacker controlling a server accessed by Squid, could
crash the squid worker, causing a Denial of Service attack. (CVE-2016-4556)

Affected Software/OS:
squid on CentOS 6

Solution:
Please Install the Updated Packages.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2016-4051
BugTraq ID: 86788
http://www.securityfocus.com/bid/86788
BugTraq ID: 91787
http://www.securityfocus.com/bid/91787
Debian Security Information: DSA-3625 (Google Search)
http://www.debian.org/security/2016/dsa-3625
https://security.gentoo.org/glsa/201607-01
http://www.openwall.com/lists/oss-security/2016/04/20/9
http://www.openwall.com/lists/oss-security/2016/04/20/6
RedHat Security Advisories: RHSA-2016:1138
https://access.redhat.com/errata/RHSA-2016:1138
RedHat Security Advisories: RHSA-2016:1139
https://access.redhat.com/errata/RHSA-2016:1139
RedHat Security Advisories: RHSA-2016:1140
https://access.redhat.com/errata/RHSA-2016:1140
http://www.securitytracker.com/id/1035646
SuSE Security Announcement: SUSE-SU-2016:1996 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
SuSE Security Announcement: SUSE-SU-2016:2089 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
SuSE Security Announcement: openSUSE-SU-2016:2081 (Google Search)
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.ubuntu.com/usn/USN-2995-1
Common Vulnerability Exposure (CVE) ID: CVE-2016-4052
http://www.securitytracker.com/id/1035647
Common Vulnerability Exposure (CVE) ID: CVE-2016-4053
Common Vulnerability Exposure (CVE) ID: CVE-2016-4054
Common Vulnerability Exposure (CVE) ID: CVE-2016-4554
http://www.securitytracker.com/id/1035769
Common Vulnerability Exposure (CVE) ID: CVE-2016-4556
http://www.openwall.com/lists/oss-security/2016/05/06/3
http://www.openwall.com/lists/oss-security/2016/05/06/5
http://www.securitytracker.com/id/1035770
CopyrightCopyright (C) 2016 Greenbone AG

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