CVEvulnerability
CVE-2016-1494
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-01-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• python rsa (< 3.3)
• fedoraproject fedora 22
• fedoraproject fedora 23
• opensuse leap 42.1
• opensuse opensuse 13.1
• opensuse opensuse 13.2
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/05/1 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/05/3 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/79829 Third Party Advisory, VDB Entry
- https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff Patch, Third Party Advisory
- https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit, Third 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/05/1 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/05/3 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/79829 Third Party Advisory, VDB Entry
- https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff Patch, Third Party Advisory
- https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit, Third Party Advisory