Oracle Linux: CVE-2016-10012: ELSA-2017-2029: openssh security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)
Description
The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures. It was found that the boundary checks in the code implementing support for pre-authentication compression could have been optimized out by certain compilers. An attacker able to compromise the privilege-separated process could possibly use this flaw for further attacks against the privileged monitor process.
Solution(s)
- oracle-linux-upgrade-openssh
- oracle-linux-upgrade-openssh-askpass
- oracle-linux-upgrade-openssh-cavs
- oracle-linux-upgrade-openssh-clients
- oracle-linux-upgrade-openssh-keycat
- oracle-linux-upgrade-openssh-ldap
- oracle-linux-upgrade-openssh-server
- oracle-linux-upgrade-openssh-server-sysvinit
- oracle-linux-upgrade-pam-ssh-agent-auth
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