Observable Timing Discrepancy Affecting wolfSSL/wolfssh package, versions [,5.6.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSH-7853260
- published30 Aug 2024
- disclosed29 Aug 2024
- creditFlorian Sieck, Zhiyuan Zhang, Sebastian Berndt, Chitchanok Chuengsatiansup, Thomas Eisenbarth, Yuval Yarom
Introduced: 29 Aug 2024
CVE-2024-1543 (opens in a new tab)How to fix?
Upgrade wolfSSL/wolfssh to version 5.6.6 or higher.
Overview
Affected versions of this package are vulnerable to Observable Timing Discrepancy due to the side-channel protected T-Table implementation. An attacker can gain per instruction sub-cache-line resolution allowing them to break the cache-line-level protection by exploiting the controlled environment such as Intel SGX.