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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2007:0703

The remote host is missing updates announced in
advisory RHSA-2007:0703.

OpenSSH is OpenBSD's SSH (Secure SHell) protocol implementation. These
packages include the core files necessary for both the OpenSSH client and

A flaw was found in the way the ssh server wrote account names to the
audit subsystem. An attacker could inject strings containing parts of audit
messages which could possibly mislead or confuse audit log parsing tools.

A flaw was found in the way the OpenSSH server processes GSSAPI
authentication requests. When GSSAPI authentication was enabled in OpenSSH
server, a remote attacker may have been able to determine if a username is
valid. (CVE-2006-5052)

The following bugs were also fixed:

* the ssh daemon did not generate audit messages when an ssh session was

* GSSAPI authentication sometimes failed on clusters using DNS or

* the sftp client and server leaked small amounts of memory in some cases.

* the sftp client didn't properly exit and return non-zero status in batch
mode when the destination disk drive was full.

* when restarting the ssh daemon with the initscript, the ssh daemon was
sometimes not restarted successfully because the old running ssh daemon was
not properly killed.

* with challenge/response authentication enabled, the pam sub-process was
not terminated if the user authentication timed out.

All users of openssh should upgrade to these updated packages, which
contain patches to correct these issues.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Medium

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2006-5052
BugTraq ID: 20245
Bugtraq: 20061005 rPSA-2006-0185-1 gnome-ssh-askpass openssh openssh-client openssh-server (Google Search)
Cert/CC Advisory: TA07-072A
RedHat Security Advisories: RHSA-2006:0697
SuSE Security Announcement: SUSE-SA:2006:062 (Google Search)
XForce ISS Database: openssh-gssapi-user-enumeration(29255)
Common Vulnerability Exposure (CVE) ID: CVE-2007-3102
BugTraq ID: 26097
CopyrightCopyright (c) 2007 E-Soft Inc.

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