CVE-2015-8325 Privilege escalation in n/a
Local attackers can gain privileges via environment manipulation in OpenSSH when UseLogin and PAM are configured, requiring a patch.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8325?
CVE-2015-8325 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 1 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment files in user home directories, allows local users to gain privileges by triggering a crafted environment for the /bin/login program, as demonstrated by an LD_PRELOAD environment variable.
Which versions are affected by CVE-2015-8325?
It affects 5 products.
Linux distribution packages (40)
openssh Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
openssh-askpass Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
openssh-clients Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
openssh-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
openssh-ldap Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
openssh-server Red Hat:enterprise_linux:6::client | All versions | 0:5.3p1-122.el6 |
pam_ssh_agent_auth Red Hat:enterprise_linux:6::client | All versions | 0:0.9.3-122.el6 |
openssh Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
openssh-askpass Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
openssh-clients Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
openssh-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
openssh-ldap Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
openssh-server Red Hat:enterprise_linux:6::computenode | All versions | 0:5.3p1-122.el6 |
pam_ssh_agent_auth Red Hat:enterprise_linux:6::computenode | All versions | 0:0.9.3-122.el6 |
openssh Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
openssh-askpass Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
openssh-clients Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
openssh-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
openssh-ldap Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
openssh-server Red Hat:enterprise_linux:6::server | All versions | 0:5.3p1-122.el6 |
pam_ssh_agent_auth Red Hat:enterprise_linux:6::server | All versions | 0:0.9.3-122.el6 |
openssh Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
openssh-askpass Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
openssh-clients Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
openssh-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
openssh-ldap Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
openssh-server Red Hat:enterprise_linux:6::workstation | All versions | 0:5.3p1-122.el6 |
pam_ssh_agent_auth Red Hat:enterprise_linux:6::workstation | All versions | 0:0.9.3-122.el6 |
openssh Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-askpass Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-clients Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-keycat Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-ldap Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-server Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
openssh-server-sysvinit Red Hat:enterprise_linux:7::client | All versions | 0:6.6.1p1-31.el7 |
pam_ssh_agent_auth Red Hat:enterprise_linux:7::client | All versions | 0:0.9.3-9.31.el7 |
openssh Red Hat:enterprise_linux:7::computenode | All versions | 0:6.6.1p1-31.el7 |
openssh-askpass Red Hat:enterprise_linux:7::computenode | All versions | 0:6.6.1p1-31.el7 |
openssh-clients Red Hat:enterprise_linux:7::computenode | All versions | 0:6.6.1p1-31.el7 |
Products include Canonical Ubuntu Core, Canonical Ubuntu Linux, Canonical Ubuntu Touch, Debian Debian Linux, OpenSSH.
How do I fix CVE-2015-8325?
Apply the vendor's patch.
Is CVE-2015-8325 being exploited?
There is no known exploitation of CVE-2015-8325 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2015-8325, DEBIAN-CVE-2015-8325, DSA-3550-1, GHSA-729x-x825-x8jf, RHSA-2016:2588, RHSA-2017:0641 and 1 more.