CVE-2016-1494

5.3 MEDIUM
Published: January 13, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/05/1
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/05/3
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/79829
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
Source: cve@mitre.org
Exploit Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/05/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/05/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/79829
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
3.1%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

fedoraproject python opensuse