Sun SunOS 4.1.4 TCX Device /dev/tcx0 denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Sun SunOS 4.1.4 (Operating System). Affected by this issue is an unknown part of the file /dev/tcx0 of the component TCX Device Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The program does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

sunos 4.1.4 on a sparc 20 machine allows local users to cause a denial of service (kernel panic) by reading from the /dev/tcx0 tcx device.

The weakness was presented 05/19/1997 as not defined posting (Bugtraq). The advisory is available at oamk.fi. This vulnerability is handled as CVE-1999-1449. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

insecure.org is providing further details.

Productinfo

Type

Vendor

Name

License

  • commercial

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/19/1997 🔍
05/19/1997 +0 days 🔍
06/18/2014 +6239 days 🔍
05/19/2018 +1431 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: oamk.fi
Status: Not defined

CVE: CVE-1999-1449 (🔍)
Misc.: 🔍

Entryinfo

Created: 06/18/2014 11:01 AM
Updated: 05/19/2018 09:48 AM
Changes: 06/18/2014 11:01 AM (45), 05/19/2018 09:48 AM (6)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!