UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 5.5
Published
3 Feb 2014
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • Version 5.7
  • Version 5.6
  • Version 5.5
  • Version 5.4
All 80 release lines
  • Every version up to 5.8
  • Version 1.2
  • Version 1.2.1
  • Version 1.2.2
  • Version 1.2.3
  • Version 1.2.27
  • Version 1.3
  • Version 1.5
  • Version 1.5.7
  • Version 1.5.8
  • Version 2
  • Version 2.1
  • Version 2.1.1
  • Version 2.2
  • Version 2.3
  • Version 2.3.1
  • Version 2.5
  • Version 2.5.1
  • Version 2.5.2
  • Version 2.9
  • Version 2.9p1
  • Version 2.9p2
  • Version 2.9.9
  • Version 2.9.9p2
  • Version 3.0
  • Version 3.0p1
  • Version 3.0.1
  • Version 3.0.1p1
  • Version 3.0.2
  • Version 3.0.2p1
  • Version 3.1
  • Version 3.1p1
  • Version 3.2
  • Version 3.2.2
  • Version 3.2.2p1
  • Version 3.2.3p1
  • Version 3.3
  • Version 3.3p1
  • Version 3.4
  • Version 3.4p1
  • Version 3.5
  • Version 3.5p1
  • Version 3.6
  • Version 3.6.1
  • Version 3.6.1p1
  • Version 3.6.1p2
  • Version 3.7
  • Version 3.7.1
  • Version 3.7.1p1
  • Version 3.7.1p2
  • Version 3.8
  • Version 3.8.1
  • Version 3.8.1p1
  • Version 3.9
  • Version 3.9.1
  • Version 3.9.1p1
  • Version 4.0
  • Version 4.0p1
  • Version 4.1
  • Version 4.1p1
  • Version 4.2
  • Version 4.2p1
  • Version 4.3
  • Version 4.3p1
  • Version 4.3p2
  • Version 4.4
  • Version 4.4p1
  • Version 4.5
  • Version 4.6
  • Version 4.7
  • Version 4.8
  • Version 4.9
  • Version 5.0
  • Version 5.1
  • Version 5.2
  • Version 5.3
  • Version 5.4
  • Version 5.5
  • Version 5.6
  • Version 5.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4327
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4327