GitHub Advisoryadvisory · PyPI
GHSA-hggm-jpg3-v476 RSA decryption vulnerable to Bleichenbacher timing vulnerability
HIGH
Official page ↗
- Aliases
- CVE-2020-25659
- Ecosystem
- PyPI
- Packages
- cryptography
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-385
- Reviewed
- 2020-10-27
Affected packages
• PyPI cryptography: < 3.2 → fixed in 3.2
Description
RSA decryption was vulnerable to Bleichenbacher timing vulnerabilities, which would impact people using RSA decryption in online scenarios. This is fixed in cryptography 3.2.
Related
Alias · CVE (1)
- CVE-2020-25659 python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5… vulnerability
Weakness · CWE (1)
- CWE-385 Covert Timing Channel weakness
References
- https://github.com/pyca/cryptography/security/advisories/GHSA-hggm-jpg3-v476 web
- https://nvd.nist.gov/vuln/detail/CVE-2020-25659 advisory
- https://github.com/pyca/cryptography/pull/5507 web
- https://github.com/pyca/cryptography/commit/58494b41d6ecb0f56b7c5f05d5f5e3ca0320d494 web
- https://github.com/advisories/GHSA-hggm-jpg3-v476 advisory
- https://github.com/pyca/cryptography package
- https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2021-62.yaml web
- https://pypi.org/project/cryptography web
- https://www.oracle.com/security-alerts/cpuapr2022.html web
- https://www.oracle.com/security-alerts/cpujul2022.html web