CVE-2012-3955
Scores
EPSS
Percentile: 12.1%
CVSS
CVSS Score: 2.9/10
All CVSS Scores
Vector: AV:A/AC:M/Au:N/C:N/I:N/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Adjacent Network (A)
Describes how the vulnerability is exploited
Attack Complexity
Medium
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.
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Sources
Related Vulnerabilities
Recommendations
Source: nvd
Before applying this update, make sure all previously-released erratarelevant to your system have been applied.
This update is available via the Red Hat Network. Details on how touse the Red Hat Network to apply this update are available athttps://access.redhat.com/knowledge/articles/11258
Vulnerable Software (7)
Type: Configuration
Product: dhcp
Operating System: rhel 6
{ "fixed": "4.1.1-34.P1.el6"}
Source: redhat
Type: Configuration
Product: dhcp3
Operating System: ubuntu hardy 8.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: isc-dhcp
Operating System: debian
{ "fixed": "4.2.4-2"}
Source: debian
Type: Configuration
Product: isc-dhcp
Operating System: debian wheezy 7
{ "fixed": "4.2.2.dfsg.1-5+deb70u1"}
Source: debian
Type: Configuration
Vendor: canonical
Product: ubuntu_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: debian
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: isc
Product: dhcp
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*", "vulne...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd