CVE-2013-10065: multi server — Exploit

Description

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\x28) in place of the expected SSH protocol delimiter.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-248 CWE-248

Affected Products

Vendor	Product	Versions
sysax	multi_server	All

References

Exploits

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos/ https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos/

Other References

https://www.sysax.com/ https://www.vulncheck.com/advisories/sysax-multi-server-sshd-key-exchange-dos

Frequently Asked Questions

What is CVE-2013-10065? +

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\x28) in place of the expected SSH protocol delimiter. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2013-10065? +

CVE-2013-10065 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2013-10065? +

CVE-2013-10065 affects products from sysax, specifically: multi_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2013-10065? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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