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CVE-2003-0795

Published: Nov 18, 2003Updated: Apr 16, 2026 Sources: CVE List NVDCWE-20
5.0MEDIUM
NVD MITRE
EPSS Score
8.2%
Top 5.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
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Weaknesses

CWE-20

Affected Products

gnu
oss-project·USaka g. nu
zebra
OSS Libraries
quagga
oss-projectaka quagga routing software suite, bgpd
quaggaOn-prem
Networking Infrastructure / router-switch
sgi
commercial·USaka sg i, s g i
propack
Operating Systems
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://marc.info/?l=bugtraq&m=106883387304266&w=2
marc.info
http://secunia.com/advisories/10563
secunia.com
http://www.debian.org/security/2004/dsa-415
debian.org
and 2 more references View all →

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