CVE-2019-25686

Summary

Core FTP 2.0 build 653 contains a denial of service vulnerability in the PBSZ command that allows unauthenticated attackers to crash the service by sending a malformed command with an oversized buffer. Attackers can send a PBSZ command with a payload exceeding 211 bytes to trigger an access violation and crash the FTP server process.

Affected Software

Weaknesses

• CWE-306: Missing Authentication for Critical Function

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.exploit-db.com/exploits/46532
• http://www.coreftp.com/
• http://coreftp.com/server/download/archive/CoreFTPServer653.exe
• https://www.vulncheck.com/advisories/core-ftp-build-653-pbsz-unauthenticated-denial-of-service

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