Vulnerability identifier: #VU32300
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Squid
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Squid-cache.org
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers to execute arbitrary code via crafted Edge Side Includes (ESI) responses.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Squid: 2.3.devel2 - 2.3.stable5, 3.0 - 3.5.16
External links
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.debian.org/security/2016/dsa-3625
http://www.openwall.com/lists/oss-security/2016/04/20/6
http://www.openwall.com/lists/oss-security/2016/04/20/9
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/86788
http://www.securitytracker.com/id/1035647
http://www.squid-cache.org/Advisories/SQUID-2016_6.txt
http://www.ubuntu.com/usn/USN-2995-1
http://access.redhat.com/errata/RHSA-2016:1138
http://access.redhat.com/errata/RHSA-2016:1139
http://access.redhat.com/errata/RHSA-2016:1140
http://security.gentoo.org/glsa/201607-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.