Asymmetric Resource Consumption (Amplification) Affecting botan package, versions [,2.19.4)[3.0.0,3.3.0)
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.
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- published1 Jul 2024
- disclosed30 Jun 2024
- creditBing Shi
Introduced: 30 Jun 2024
CVE-2024-34703 (opens in a new tab)How to fix?
Upgrade botan to version 2.19.4, 3.3.0 or higher.
Overview
Affected versions of this package are vulnerable to Asymmetric Resource Consumption (Amplification) due to the parsing of overly large elliptic curve parameters in X.509 certificates. An attacker can cause excessive computation and potential denial of service by presenting an ECDSA X.509 certificate with explicitly encoded parameters that are significantly large.