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An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.","references":[{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658"},{"reference_url":"https://github.com/advisories/GHSA-xrx6-fmxq-rjj2","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-xrx6-fmxq-rjj2"},{"reference_url":"https://github.com/sybrenstuvel/python-rsa/issues/165","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/sybrenstuvel/python-rsa/issues/165"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/18970?format=json","purl":"pkg:pypi/rsa@4.7","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/rsa@4.7"}],"aliases":["CVE-2020-25658","GHSA-xrx6-fmxq-rjj2","PYSEC-2020-100"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-7kxr-m4ew-mba4"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/35567?format=json","vulnerability_id":"VCID-uwe5-3d7j-8qcr","summary":"Python-RSA before 4.1 ignores leading '\\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory 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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":[{"reference_url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html","reference_id":"","reference_type":"","scores":[],"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html"},{"reference_url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html","reference_id":"","reference_type":"","scores":[],"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html"},{"reference_url":"http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html","reference_id":"","reference_type":"","scores":[],"url":"http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html"},{"reference_url":"https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff","reference_id":"","reference_type":"","scores":[],"url":"https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff"},{"reference_url":"https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa","reference_id":"","reference_type":"","scores":[],"url":"https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa"},{"reference_url":"https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/","reference_id":"","reference_type":"","scores":[],"url":"https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/rsa/PYSEC-2016-10.yaml","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/rsa/PYSEC-2016-10.yaml"},{"reference_url":"https://github.com/sybrenstuvel/python-rsa","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/sybrenstuvel/python-rsa"},{"reference_url":"https://github.com/sybrenstuvel/python-rsa/commit/ab5d21c3b554f926d51ff3ad9c794bcf32e95b3c","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/sybrenstuvel/python-rsa/commit/ab5d21c3b554f926d51ff3ad9c794bcf32e95b3c"},{"reference_url":"https://web.archive.org/web/20210123020914/http://www.securityfocus.com/bid/79829","reference_id":"","reference_type":"","scores":[],"url":"https://web.archive.org/web/20210123020914/http://www.securityfocus.com/bid/79829"},{"reference_url":"http://www.openwall.com/lists/oss-security/2016/01/05/1","reference_id":"","reference_type":"","scores":[],"url":"http://www.openwall.com/lists/oss-security/2016/01/05/1"},{"reference_url":"http://www.openwall.com/lists/oss-security/2016/01/05/3","reference_id":"","reference_type":"","scores":[],"url":"http://www.openwall.com/lists/oss-security/2016/01/05/3"},{"reference_url":"http://www.securityfocus.com/bid/79829","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/79829"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1494","reference_id":"CVE-2016-1494","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1494"},{"reference_url":"https://github.com/advisories/GHSA-8rjr-6qq5-pj9p","reference_id":"GHSA-8rjr-6qq5-pj9p","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-8rjr-6qq5-pj9p"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/9105?format=json","purl":"pkg:pypi/rsa@3.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-7kxr-m4ew-mba4"},{"vulnerability":"VCID-uwe5-3d7j-8qcr"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/rsa@3.3"}],"aliases":["CVE-2016-1494","GHSA-8rjr-6qq5-pj9p","PYSEC-2016-10"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-nr3r-6y8s-d7bv"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/rsa@3.3"}