Vulnerability Details : CVE-2011-4327
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Vulnerability category: Information leak
Products affected by CVE-2011-4327
- cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.5:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2.9.9p2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:1.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.6:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:4.9:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.2:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.1:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.4:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.3:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.5:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.7:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openssh:5.6:*:*:*:*:*:*:*
Threat overview for CVE-2011-4327
Top countries where our scanners detected CVE-2011-4327
Top open port discovered on systems with this issue
22
IPs affected by CVE-2011-4327 1,819,854
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-4327!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-4327
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-2011-4327
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2011-4327
-
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-2011-4327
-
https://bugzilla.redhat.com/show_bug.cgi?id=755640
755640 – (CVE-2011-4327) CVE-2011-4327 openssh: Unauthorized local access to host keys on platforms where ssh-rand-helper used
-
http://www.openssh.com/txt/portable-keysign-rand-helper.adv
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