CVE-2020-37166

Summary

AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.

Affected Software

Weaknesses

• CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://www.exploit-db.com/exploits/48010
• https://www.celestialsoftware.net/
• https://www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-service

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