Vulnerability · Published Apr 28, 2025 · Assigned by GitHub_M
CVE-2025-46326Snowflake Connector for .NET has race condition when checking access to Easy Logging configuration file
Low 3.3
In plain English
A low-severity security flaw in snowflake-connector-net from snowflakedb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
snowflake-connector-net is the Snowflake Connector for .NET. Versions starting from 2.1.2 to before 4.4.1, are vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition. When using the Easy Logging feature on Linux and macOS, the Connector reads logging configuration from a user-provided file. On Linux and macOS, the Connector verifies that the configuration file can be written to only by its owner. That check was vulnerable to a TOCTOU race condition and failed to verify that the file owner matches the user running the Connector. This could allow a local attacker with write access to the configuration file or the directory containing it to overwrite the configuration and gain control over logging level and output location. This issue has been patched in version 4.4.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | snowflake.data | 4.4.1 | GHSA-c82r-c9f7-f5mj |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| snowflakedb | snowflake-connector-net | >= 2.1.2, < 4.4.1 |
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/snowflakedb/snowflake-connector-net/security/advisories/GHSA-c82r-c9f7-f5mj x_refsource_CONFIRM
- https://github.com/snowflakedb/snowflake-connector-net/commit/393aad3cfa81045a05dd488944db45256e861bff x_refsource_MISC
- https://github.com/snowflakedb/snowflake-connector-net/releases/tag/v4.4.1 x_refsource_MISC