CVE-2016-1494

· N/AModified

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CVSS v3.1

N/A

EPSS

7.05%

Published

Jan 13, 2016

Modified

May 6, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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.

Weaknesses (CWE)

CWE-20

Affected Products (6)

python · rsa (up to 3.3)vulnerable

fedoraproject · fedoravulnerable

opensuse · leapvulnerable

opensuse · opensusevulnerable

References (16)

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html

Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2016/01/05/1

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2016/01/05/3

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/79829

Third Party AdvisoryVDB Entry

https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff

PatchThird Party Advisory

https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/

ExploitThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html

Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2016/01/05/1

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2016/01/05/3

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/79829

Third Party AdvisoryVDB Entry

https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff

PatchThird Party Advisory

https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/

ExploitThird Party Advisory

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