Vulnerability Name:

CVE-2012-6689 (CCN-114523)

Assigned:2012-08-17
Published:2012-08-17
Updated:2023-01-20
Summary:The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.4 Medium (REDHAT CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
3.2 Low (REDHAT Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2012-6689

Source: CCN
Type: Linux Kernel GIT Repository
netlink: fix possible spoofing from non-root processes

Source: cve@mitre.org
Type: Patch, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Release Notes, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Broken Link, Third Party Advisory, VDB Entry
cve@mitre.org

Source: cve@mitre.org
Type: Issue Tracking, Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
linux-kernel-cve20126689-spoofing(114523)

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:6::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:6::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:3.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20126689000
    V
    		CVE-2012-6689 on Ubuntu 12.04 LTS (precise) - medium.
    2016-05-02
    oval:com.ubuntu.trusty:def:20126689000
    V
    		CVE-2012-6689 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-05-02
    oval:com.ubuntu.xenial:def:20126689000
    V
    		CVE-2012-6689 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-05-02
    oval:com.ubuntu.xenial:def:201266890000000
    V
    		CVE-2012-6689 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-05-02
    oval:com.redhat.rhsa:def:20141392
    P
    		RHSA-2014:1392: kernel security, bug fix, and enhancement update (Important)
    2014-10-14
    BACK
    linux linux kernel 3.5