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openssh: privilege escalation via user's PAM environment and UseLogin=yes

🗓️ 21 Mar 2017 08:31:22Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

OpenSSH sshd with UseLogin and pam_env allows local users to escalate to root via PAM environment.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64openssh0:5.3p1-122.el6openssh-0:5.3p1-122.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xopenssh0:5.3p1-122.el6openssh-0:5.3p1-122.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64openssh0:5.3p1-122.el6openssh-0:5.3p1-122.el6.x86_64.rpm
Red Hat Enterprise Linux6anyopenssh0:5.3p1-122.el6.i686openssh-0:5.3p1-122.el6.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64openssh-askpass0:5.3p1-122.el6openssh-askpass-0:5.3p1-122.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xopenssh-askpass0:5.3p1-122.el6openssh-askpass-0:5.3p1-122.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64openssh-askpass0:5.3p1-122.el6openssh-askpass-0:5.3p1-122.el6.x86_64.rpm
Red Hat Enterprise Linux6anyopenssh-askpass0:5.3p1-122.el6.i686openssh-askpass-0:5.3p1-122.el6.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64openssh-clients0:5.3p1-122.el6openssh-clients-0:5.3p1-122.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xopenssh-clients0:5.3p1-122.el6openssh-clients-0:5.3p1-122.el6.s390x.rpm
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22 May 2026 16:05Current
7.5High risk
Vulners AI Score7.5
CVSS 27.2
CVSS 37.8
EPSS0.00627
SSVC
2