Veracode Vulnerability DatabaseVERACODE:16908Authentication Bypass
0.004 Low
EPSS
Percentile
72.5%
openssh is vulnerable to authentication bypass. The OpenSSH client did not correctly handle failures to generate authentication cookies for untrusted X11 forwarding. A malicious or compromised remote X application could possibly use this flaw to establish a trusted connection to the local X server, even if only untrusted X11 forwarding was requested.
References
openwall.com/lists/oss-security/2016/01/15/13
rhn.redhat.com/errata/RHSA-2016-0465.html
rhn.redhat.com/errata/RHSA-2016-0741.html
www.openssh.com/txt/release-7.2
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.securityfocus.com/bid/84427
www.securitytracker.com/id/1034705
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.8_Release_Notes/index.html
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.8_Technical_Notes/index.html
access.redhat.com/security/updates/classification/#moderate
anongit.mindrot.org/openssh.git/commit/?id=ed4ce82dbfa8a3a3c8ea6fa0db113c71e234416c
bugzilla.redhat.com/show_bug.cgi?id=1211673
bugzilla.redhat.com/show_bug.cgi?id=1218070
bugzilla.redhat.com/show_bug.cgi?id=1219820
bugzilla.redhat.com/show_bug.cgi?id=1298741
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
lists.debian.org/debian-lts-announce/2018/09/msg00010.html
rhn.redhat.com/errata/RHSA-2016-0741.html
security.gentoo.org/glsa/201612-18
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