CVE-2003-0795

Description

The vty layer in Quagga before 0.96.4, and Zebra 0.93b and earlier, does not verify that sub-negotiation is taking place when processing the SE marker, which allows remote attackers to cause a denial of service (crash) via a malformed telnet command to the telnet CLI port, which may trigger a null dereference.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.01% Top 10%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.redhat.com/support/errata/RHSA-2003-305.html patch vendor advisory
http://marc.info/?l=bugtraq&m=106883387304266&w=2 mailing list
http://www.debian.org/security/2004/dsa-415 patch vendor advisory
http://secunia.com/advisories/10563 third party advisory vendor advisory
http://www.redhat.com/support/errata/RHSA-2003-307.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2003-0795?
CVE-2003-0795 has been scored as a medium severity vulnerability.
How to fix CVE-2003-0795?
To fix CVE-2003-0795, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2003-0795 being actively exploited in the wild?
It is possible that CVE-2003-0795 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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