National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-3947 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.2 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H (V3 legend)
Impact Score: 4.2
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch Patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11839.patch Patch Third Party Advisory US Government Resource
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12694.patch Patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13232.patch Patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch Patch
http://www.ubuntu.com/usn/USN-2995-1
https://security.gentoo.org/glsa/201607-01

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.5.15
 cpe:2.3:a:squid-cache:squid:4.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:squid-cache:squid:4.0.7:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-3947
NVD Published Date:
04/07/2016
NVD Last Modified:
11/28/2016