CVE-2012-6689 - Improper Access Control

Severity

72%

Complexity

39%

Confidentiality

165%

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.

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 3.0 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

First reported 8 years ago

2016-05-02 10:59:00

Last updated 8 years ago

2016-11-28 19:08:00

Affected Software

Linux Kernel

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef

Vendor Advisory

[linux-kernel] 20120817 [PATCH 0/2] netlink patches

[linux-kernel] 20120817 [PATCH 2/2] [RFC] netlink: fix possible spoofing from non-root processes

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5

[oss-security] 20150222 Re: libmnl: incorrect validation of netlink message origin allows attackers to spoof netlink messages

72739

https://bugzilla.redhat.com/show_bug.cgi?id=848949

https://github.com/torvalds/linux/commit/20e1db19db5d6b9e4e83021595eab0dc8f107bef

Vendor Advisory

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