CVE-2016-1494
MEDIUM 5.3
At a glance
- Source
- NVD
- EPSS
- EPSS 7.05 % · percentile 94 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
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 — Improper Input Validation
References
- http://www.openwall.com/lists/oss-security/2016/01/05/3
- http://www.securityfocus.com/bid/79829
- https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
- http://www.openwall.com/lists/oss-security/2016/01/05/1
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
- https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-8rjr-6qq5-pj9p — Python RSA allows attackers to spoof signatures
- PYSEC-2016-10 — 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 signatur
European references
- ENISA EUVD · EUVD-2016-0032
- GCVE · GCVE-0-2016-1494
CERT-FR advisories
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:python:rsa:*:*:*:*:*:python:*:*< 3.3cpe: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:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |