Denial of service in Rxvt



| Updated: 2024-07-23
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2000-0476
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Rxvt
Client/Desktop applications / Software for system administration

Vendor Rxvt.org

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU94647

Risk: Low

CVSSv4.0: 1.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2000-0476

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim to insert certain characters that force the window to be resized and crash the terminal.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Rxvt: 2.6.1

CPE2.3 External links

https://archives.neohapsis.com/archives/bugtraq/2000-05/0409.html
https://www.securityfocus.com/bid/1298
https://archives.neohapsis.com/archives/bugtraq/2000-05/0420.html
https://www.openwall.com/lists/oss-security/2024/06/09/1
https://www.openwall.com/lists/oss-security/2024/06/09/2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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