Amazon Linux 2 Security Advisory: ALAS-2018-1075
Advisory Release Date: 2018-09-20 20:10 Pacific
Advisory Updated Date: 2018-09-25 17:48 Pacific
OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.(CVE-2018-15473)
Affected Packages:
openssh
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update openssh to update your system.
i686:
openssh-7.4p1-16.amzn2.0.5.i686
openssh-clients-7.4p1-16.amzn2.0.5.i686
openssh-server-7.4p1-16.amzn2.0.5.i686
openssh-server-sysvinit-7.4p1-16.amzn2.0.5.i686
openssh-ldap-7.4p1-16.amzn2.0.5.i686
openssh-keycat-7.4p1-16.amzn2.0.5.i686
openssh-askpass-7.4p1-16.amzn2.0.5.i686
openssh-cavs-7.4p1-16.amzn2.0.5.i686
pam_ssh_agent_auth-0.10.3-2.16.amzn2.0.5.i686
openssh-debuginfo-7.4p1-16.amzn2.0.5.i686
src:
openssh-7.4p1-16.amzn2.0.5.src
x86_64:
openssh-7.4p1-16.amzn2.0.5.x86_64
openssh-clients-7.4p1-16.amzn2.0.5.x86_64
openssh-server-7.4p1-16.amzn2.0.5.x86_64
openssh-server-sysvinit-7.4p1-16.amzn2.0.5.x86_64
openssh-ldap-7.4p1-16.amzn2.0.5.x86_64
openssh-keycat-7.4p1-16.amzn2.0.5.x86_64
openssh-askpass-7.4p1-16.amzn2.0.5.x86_64
openssh-cavs-7.4p1-16.amzn2.0.5.x86_64
pam_ssh_agent_auth-0.10.3-2.16.amzn2.0.5.x86_64
openssh-debuginfo-7.4p1-16.amzn2.0.5.x86_64