Quagga/Zebra vty Layer input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Quagga and Zebra. This vulnerability affects unknown code of the component vty Layer. The manipulation results in input validation. This vulnerability is cataloged as CVE-2003-0795. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Quagga and Zebra (Network Routing Software) (the affected version unknown). Affected is an unknown part of the component vty Layer. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. 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. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was shared 12/15/2003 (Website). The advisory is shared for download at redhat.com. This vulnerability is traded as CVE-2003-0795 since 09/17/2003. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 15252 (Debian DSA-415-1 : zebra - denial of service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (23375), Tenable (15252), SecurityFocus (BID 9029†), Secunia (SA10563†) and Vulnerability Center (SBV-2964†). The entry VDB-21028 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15252
Nessus Name: Debian DSA-415-1 : zebra - denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53113
OpenVAS Name: Debian Security Advisory DSA 415-1 (zebra)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/17/2003 🔍
12/15/2003 +89 days 🔍
12/15/2003 +0 days 🔍
01/06/2004 +22 days 🔍
01/07/2004 +1 days 🔍
09/29/2004 +266 days 🔍
08/21/2014 +3613 days 🔍
10/03/2024 +3696 days 🔍

Sourcesinfo

Advisory: redhat.com
Status: Not defined

CVE: CVE-2003-0795 (🔍)
GCVE (CVE): GCVE-0-2003-0795
GCVE (VulDB): GCVE-100-21024
SecurityFocus: 9029
Secunia: 10563 - Debian update for zebra, Moderately Critical
Vulnerability Center: 2964

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/21/2014 17:33
Updated: 10/03/2024 05:20
Changes: 08/21/2014 17:33 (63), 04/23/2019 09:52 (4), 06/23/2024 03:15 (17), 10/03/2024 05:20 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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