Vulnerability Details : CVE-2013-3076
The crypto API in the Linux kernel through 3.9-rc8 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call, related to the hash_recvmsg function in crypto/algif_hash.c and the skcipher_recvmsg function in crypto/algif_skcipher.c.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2013-3076
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-3076
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:C/I:N/A:N |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2013-3076
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The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-3076
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http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html
[SECURITY] Fedora 18 Update: kernel-3.8.8-203.fc18
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http://www.ubuntu.com/usn/USN-1837-1
USN-1837-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
[security-announce] openSUSE-SU-2013:1187-1: important: 3.0.80 kernel up
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http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
[security-announce] SUSE-SU-2013:1182-1: important: kernel update for SL
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https://github.com/torvalds/linux/commit/72a763d805a48ac8c0bf48fdb510e84c12de51fe
crypto: algif - suppress sending source address information in recvmsg · torvalds/linux@72a763d · GitHub
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http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html
[SECURITY] Fedora 17 Update: kernel-3.8.11-100.fc17
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http://www.openwall.com/lists/oss-security/2013/04/14/3
oss-security - Linux kernel: more net info leak fixes for v3.9
Products affected by CVE-2013-3076
- cpe:2.3:o:linux:linux_kernel:*:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:rc5:*:*:*:*:*:*