MEDIUM 5.9 Microsoft
CVE-2020-25657
A flaw was found in all released versions of m2crypto where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
Microsoft Security Update 2021-Jan: A flaw was found in all released versions of m2crypto where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
Affected Products
- azl3 m2crypto 0.38.0-4 on Azure Linux 3.0
- cm1 m2crypto 0.35.2-8 on CBL Mariner 1.0
- cbl2 m2crypto 0.38.0-3 on CBL Mariner 2.0
- azl3 m2crypto 0.38.0-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-25657
- https://nvd.nist.gov/vuln/detail/CVE-2020-25657
This medium severity vulnerability with a CVSS score of 5.9 was published on 2021-01-12 via Microsoft. Affected: azl3 m2crypto 0.38.0-4 on Azure Linux 3.0, cm1 m2crypto 0.35.2-8 on CBL Mariner 1.0, cbl2 m2crypto 0.38.0-3 on CBL Mariner 2.0 and 1 more.
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