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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2010:0819 :
Updated pam packages that fix three security issues are now available
for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
Pluggable Authentication Modules (PAM) provide a system whereby
administrators can set up authentication policies without having to
recompile programs that handle authentication.
It was discovered that the pam_namespace module executed the external
script namespace.init with an unchanged environment inherited from an
application calling PAM. In cases where such an environment was
untrusted (for example, when pam_namespace was configured for setuid
applications such as su or sudo), a local, unprivileged user could
possibly use this flaw to escalate their privileges. (CVE-2010-3853)
It was discovered that the pam_mail module used root privileges while
accessing users' files. In certain configurations, a local,
unprivileged user could use this flaw to obtain limited information
about files or directories that they do not have access to.
It was discovered that the pam_xauth module did not verify the return
values of the setuid() and setgid() system calls. A local,
unprivileged user could use this flaw to execute the xauth command
with root privileges and make it read an arbitrary input file.
Red Hat would like to thank Sebastian Krahmer of the SuSE Security
Team for reporting the CVE-2010-3435 issue.
All pam users should upgrade to these updated packages, which contain
backported patches to correct these issues.
See also :
Update the affected pam packages.
Risk factor :
Medium / CVSS Base Score : 6.9
CVSS Temporal Score : 6.0
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68132 ()
Bugtraq ID: 4247243487
CVE ID: CVE-2010-3316CVE-2010-3435CVE-2010-3853CVE-2010-4707
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