Buffer overflow in Squid - CVE-2016-4053
Published: April 25, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32299
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-4053
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Squid-cache.org
Affected software:
Squid
Squid
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote attackers to obtain sensitive stack layout information via crafted Edge Side Includes (ESI) responses, related to incorrect use of assert and compiler optimization.
How to mitigate CVE-2016-4053
Install update from vendor's website.
Sources
- 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/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/86788
- http://www.securityfocus.com/bid/91787
- http://www.securitytracker.com/id/1035647
- http://www.squid-cache.org/Advisories/SQUID-2016_6.txt
- http://www.ubuntu.com/usn/USN-2995-1
- https://access.redhat.com/errata/RHSA-2016:1138
- https://access.redhat.com/errata/RHSA-2016:1139
- https://access.redhat.com/errata/RHSA-2016:1140
- https://security.gentoo.org/glsa/201607-01