What is CVE-2011-4327?

CVE-2011-4327 is a medium-severity vulnerability in Openbsd Openssh, classified under Information Disclosure. CVSS score: 5.5/10. Published 2014-02-03.

How severe is CVE-2011-4327?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2011-4327 known to be exploited?

25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Openbsd Openssh

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 class: Information Disclosure

EPSS: 0.004 (34.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openbsd Openssh — versions 1.2, 1.2.1, 1.2.2
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
secalert@redhat.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2011-4327?: CVE-2011-4327 is a medium-severity vulnerability in Openbsd Openssh, classified under Information Disclosure. CVSS score: 5.5/10. Published 2014-02-03.
How severe is CVE-2011-4327?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2011-4327 known to be exploited?: 25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.