CVE-2023-51662 — The Snowflake

The Snowflake .NET driver provides an interface to the Microsoft .NET open source software framework for developing applications. Snowflake recently received a report about a vulnerability in the Snowflake Connector .NET where the checks against the Certificate Revocation List (C

01What is this vulnerability?

The Snowflake .NET driver provides an interface to the Microsoft .NET open source software framework for developing applications. Snowflake recently received a report about a vulnerability in the Snowflake Connector .NET where the checks against the Certificate Revocation List (CRL) were not performed where the insecureMode flag was set to false, which is the default setting. The vulnerability…

02Affected products

Vendor	Product	Versions
snowflakedb	snowflake	connector-net — >= 2.0.25, <= 2.1.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-22T16:27:05.209Z
• Last modified: 2024-08-02T22:40:34.244Z

09References

• github.com — https://github.com/snowflakedb/snowflake-connector-net/security/advisories/GHSA-…
• docs.snowflake.com — https://docs.snowflake.com/release-notes/clients-drivers/dotnet-2023#version-2-1…