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Vulnerability Details : CVE-2003-0795

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.
Publish Date : 2003-12-15 Last Update Date : 2016-10-17
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2003-10-15
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- Products Affected By CVE-2003-0795

# Product Type Vendor Product Version Update Edition Language
1 Application GNU Zebra 0.91a Version Details Vulnerabilities
2 Application GNU Zebra 0.92a Version Details Vulnerabilities
3 Application GNU Zebra 0.93b Version Details Vulnerabilities
4 Application GNU Zebra 0.93a Version Details Vulnerabilities
5 Application Quagga Quagga 0.95 Version Details Vulnerabilities
6 Application Quagga Quagga 0.96 Version Details Vulnerabilities
7 Application Quagga Quagga 0.96.1 Version Details Vulnerabilities
8 Application Quagga Quagga 0.96.2 Version Details Vulnerabilities
9 Application Quagga Quagga 0.96.3 Version Details Vulnerabilities
10 Application SGI Propack 2.2.1 Version Details Vulnerabilities
11 Application SGI Propack 2.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
GNU Zebra 4
Quagga Quagga 5
SGI Propack 2

- References For CVE-2003-0795
REDHAT RHSA-2003:307
BUGTRAQ 20031114 Quagga remote vulnerability
REDHAT RHSA-2003:305

- Metasploit Modules Related To CVE-2003-0795

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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