CVE-2016-1494
Severity CVSS v4.0:
Pending analysis
Type:
CWE-20
Input Validation
Publication date:
13/01/2016
Last modified:
12/04/2025
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.
Impact
Base Score 3.x
5.30
Severity 3.x
MEDIUM
Base Score 2.0
5.00
Severity 2.0
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:python:rsa:*:*:*:*:*:python:*:* | 3.3 (excluding) | |
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* | ||
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | ||
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | ||
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- 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
- http://www.securityfocus.com/bid/79829
- 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/
- 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
- http://www.securityfocus.com/bid/79829
- 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/