CVE-2016-3947 Information

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Description

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 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

HIGH

Base Severity

8.2