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CVE-2000-0279: BeOS allows remote attackers to cause a denial of service via malformed packets whose length field i

Medium
VulnerabilityCVE-2000-0279cve-2000-0279denial of service
Published: Fri Apr 07 2000 (04/07/2000, 04:00:00 UTC)
Source: NVD
Vendor/Project: be
Product: beos

Description

BeOS allows remote attackers to cause a denial of service via malformed packets whose length field is less than the length of the headers.

AI-Powered Analysis

AILast updated: 06/30/2025, 15:10:20 UTC

Technical Analysis

CVE-2000-0279 is a vulnerability affecting BeOS versions 4.0, 4.5, and 5.0. The issue arises from the way BeOS processes network packets with malformed length fields. Specifically, attackers can send packets where the length field is set to a value smaller than the actual length of the packet headers. This malformed packet causes the BeOS networking stack to mishandle the packet, leading to a denial of service (DoS) condition. The vulnerability can be exploited remotely without any authentication or user interaction, simply by sending crafted packets to a system running the affected BeOS versions. The impact is limited to availability, as the system may crash or become unresponsive due to improper handling of these malformed packets. The CVSS score of 5.0 (medium severity) reflects that the attack vector is network-based, requires no authentication, and results in a partial loss of availability, but does not affect confidentiality or integrity. No patches or fixes are available for this vulnerability, and there are no known exploits in the wild documented. Given the age of the vulnerability (published in 2000) and the niche usage of BeOS, exploitation is likely limited to legacy or specialized environments.

Potential Impact

For European organizations, the direct impact of CVE-2000-0279 is generally low due to the limited deployment of BeOS in modern enterprise environments. However, any legacy systems or specialized embedded devices still running BeOS could be vulnerable to remote denial of service attacks, potentially disrupting critical services or operations. This could lead to downtime, loss of productivity, and increased operational costs. In sectors where legacy systems are maintained for compatibility or regulatory reasons—such as certain industrial control systems, research institutions, or niche technology providers—this vulnerability could be exploited to cause service interruptions. Additionally, denial of service attacks could be leveraged as part of a larger attack chain to distract or degrade defenses. The lack of available patches means organizations must rely on network-level mitigations and system isolation to reduce risk.

Mitigation Recommendations

Given that no patches are available for CVE-2000-0279, European organizations should focus on compensating controls. These include: 1) Network filtering: Deploy firewall rules or intrusion prevention systems (IPS) to detect and block malformed packets targeting BeOS systems, especially those with suspicious length fields inconsistent with protocol specifications. 2) Network segmentation: Isolate BeOS systems from untrusted networks, limiting exposure to potential attackers. 3) Monitoring and alerting: Implement network traffic monitoring to detect unusual packet patterns or repeated malformed packet attempts that could indicate exploitation attempts. 4) System hardening: Disable unnecessary network services on BeOS systems to reduce attack surface. 5) Migration planning: Develop a strategy to replace or phase out BeOS systems with modern, supported operating systems to eliminate exposure to unpatched vulnerabilities. 6) Incident response readiness: Prepare to respond to denial of service incidents affecting BeOS systems to minimize downtime and impact.

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Threat ID: 682ca32db6fd31d6ed7df976

Added to database: 5/20/2025, 3:43:41 PM

Last enriched: 6/30/2025, 3:10:20 PM

Last updated: 8/15/2025, 8:45:29 AM

Views: 12

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