GHSA-8rjr-6qq5-pj9p

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GHSA-8rjr-6qq5-pj9p

Summary: Python RSA allows attackers to spoof signatures

Details: The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.

References: https://nvd.nist.gov/vuln/detail/CVE-2016-1494, https://github.com/sybrenstuvel/python-rsa/commit/ab5d21c3b554f926d51ff3ad9c794bcf32e95b3c, https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff, https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa, https://github.com/pypa/advisory-database/tree/main/vulns/rsa/PYSEC-2016-10.yaml, https://github.com/sybrenstuvel/python-rsa, https://web.archive.org/web/20210123020914/http://www.securityfocus.com/bid/79829, http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html, http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html, http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html, http://www.openwall.com/lists/oss-security/2016/01/05/1, http://www.openwall.com/lists/oss-security/2016/01/05/3