CVE-2016-3947
Summary
| CVE | CVE-2016-3947 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-04-07 18:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 8.2 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Problem Types: CWE-119 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 8.2 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| 2.0 | [email protected] | Primary | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Application | Squid-cache | Squid | 4.0.1 | All | All | All |
| Application | Squid-cache | Squid | 4.0.2 | All | All | All |
| Application | Squid-cache | Squid | 4.0.3 | All | All | All |
| Application | Squid-cache | Squid | 4.0.4 | All | All | All |
| Application | Squid-cache | Squid | 4.0.5 | All | All | All |
| Application | Squid-cache | Squid | 4.0.6 | All | All | All |
| Application | Squid-cache | Squid | 4.0.7 | All | All | All |
| Application | Squid-cache | Squid | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.squid-cache.org/Advisories/SQUID-2016_3.txt | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Vendor Advisory |
| openSUSE-SU-2016:2081-1: moderate: Security update for squid | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Squid: Multiple vulnerabilities (GLSA 201607-01) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12694.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch |
| www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11839.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch, Third Party Advisory, US Government Resource |
| [security-announce] SUSE-SU-2016:1996-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Squid Bug in ICMPv6 Pinger Lets Remote Users Deny Service and Local Users Obtain Potentially Sensitive Heap Memory Contents - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| USN-2995-1: Squid vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch |
| [security-announce] SUSE-SU-2016:2089-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13232.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch |
| www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.