Buffer overflow in Azure Dex Data Expert Ultimate

CVE-2017-6506

In Azure Data Expert Ultimate 2.2.16, the SMTP verification function suffers from a buffer overflow vulnerability, leading to remote code execution. The attack vector is a crafted SMTP daemon that sends a long 220 (aka "Service ready") string.

Vulnerability class: Buffer Overflow

EPSS: 0.117 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (vdb-entry, x_refsource_BID)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2017-6506?
CVE-2017-6506 is a critical-severity vulnerability in Azure Dex Data Expert Ultimate, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-10.
How severe is CVE-2017-6506?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-6506 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.