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The remote Red Hat host is missing a security update.
Updated zebra packages that close a locally-exploitable and a
remotely-exploitable denial of service vulnerability are now
Zebra an open source implementation of TCP/IP routing software.
Jonny Robertson reported that Zebra can be remotely crashed if a Zebra
password has been enabled and a remote attacker can connect to the
Zebra telnet management port. The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CVE-2003-0795 to this
Herbert Xu reported that Zebra can accept spoofed messages sent on the
kernel netlink interface by other users on the local machine. This
could lead to a local denial of service attack. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the
name CVE-2003-0858 to this issue.
Users of Zebra should upgrade to these erratum packages, which contain
a patch preventing Zebra from crashing when it receives a telnet
option delimiter without any option data, and a patch that checks that
netlink messages actually came from the kernel.
See also :
Update the affected zebra package.
Risk factor :
Medium / CVSS Base Score : 5.0
Family: Red Hat Local Security Checks
Nessus Plugin ID: 12427 ()
CVE ID: CVE-2003-0795CVE-2003-0858
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