#VU32297 Heap-based buffer overflow in Squid - CVE-2016-3947
Published: April 7, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32297
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-3947
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Squid
Squid
Software vendor:
Squid-cache.org
Squid-cache.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8. A remote attacker can use an ICMPv6 packet. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
The vendor has issued the following versions to address this vulnerability: 3.5.16, 4.0.8.
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.securitytracker.com/id/1035457
- http://www.squid-cache.org/Advisories/SQUID-2016_3.txt
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11839.patch
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12694.patch
- http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13232.patch
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch
- http://www.ubuntu.com/usn/USN-2995-1
- https://security.gentoo.org/glsa/201607-01