CVE-2003-0795 : Detail

CVE-2003-0795

A03-Injection
1.59%V3
Network
2003-11-18
04h00 +00:00
2016-10-17
11h57 +00:00
CVE.org
NVD
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CVE Descriptions

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.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-20 Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Metrics

Metrics Score Severity CVSS Vector Source
V2 5 AV:N/AC:L/Au:N/C:N/I:N/A:P [email protected]

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 23375

Publication date : 2003-11-11 23h00 +00:00
Author : Jonny Robertson
EDB Verified : Yes

source: https://www.securityfocus.com/bid/9029/info It has been reported that Zebra, as well as Quagga, may be vulnerable to a remote denial of service vulnerability that may allow an attacker to cause the software to crash or hang. The issue is reported to occur if an attacker attempts to connect to the Zebra telnet management port while a password is enabled. The program will crash when attempting to dereference an invalid, possibly NULL, pointer. All versions of GNU Zebra are said to be vulnerable to this issue. All versions of Quagga prior to 0.96.4 are also vulnerable. printf '\xff\xf0\xff\xf0\xff\xf0' | nc <host> <port>

Products Mentioned

Configuraton 0

Gnu>>Zebra >> Version 0.91a

Gnu>>Zebra >> Version 0.92a

Gnu>>Zebra >> Version 0.93a

Gnu>>Zebra >> Version 0.93b

Quagga>>Quagga >> Version To (including) 0.96.3

Quagga>>Quagga >> Version 0.95

Quagga>>Quagga >> Version 0.96

Quagga>>Quagga >> Version 0.96.1

Quagga>>Quagga >> Version 0.96.2

Sgi>>Propack >> Version 2.2.1

Sgi>>Propack >> Version 2.3

References

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