Vulnerability Details : CVE-2012-2669
The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.4.5, does not validate the origin of Netlink messages, which allows local users to spoof Netlink communication via a crafted connector message.
Vulnerability category: Input validation
Products affected by CVE-2012-2669
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-2669
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-2669
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2012-2669
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-2669
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http://lists.opensuse.org/opensuse-updates/2012-11/msg00042.html
openSUSE-SU-2012:1526-1: moderate: Hyper-V: Netlink source address valid
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c
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http://www.openwall.com/lists/oss-security/2012/11/27/12
oss-security - Re: CVE-2012-5532 hypervkvpd DoS
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
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https://github.com/torvalds/linux/commit/bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c
Tools: hv: verify origin of netlink connector message · torvalds/linux@bcc2c9c · GitHub
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http://openwall.com/lists/oss-security/2012/06/06/12
oss-security - Re: CVE-Request: hyper-v daemon
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https://bugzilla.novell.com/show_bug.cgi?id=761200
Bug 761200 – VUL-1: hyper-v user space daemon netlink origin
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