CVE-2016-1494 Python RSA allows attackers to spoof signatures
MediumCVSS 5.3
EPSS 7.0%
- Published
- Updated
- Exploit status
- No public exploit known
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 products
| Product | Affected versions | Fixed in |
|---|---|---|
| pypi rsa(PyPI) | < 3.3 | 3.3 |
| pypi rsa(PyPI) | = 1.1 | No fix listed |
| pypi rsa(PyPI) | = 1.2 | No fix listed |
| pypi rsa(PyPI) | = 1.3 | No fix listed |
| pypi rsa(PyPI) | = 1.3.1 | No fix listed |
| pypi rsa(PyPI) | = 1.3.2 | No fix listed |
| pypi rsa(PyPI) | = 1.3.3 | No fix listed |
| pypi rsa(PyPI) | = 2.0 | No fix listed |
| pypi rsa(PyPI) | = 3.0 | No fix listed |
| pypi rsa(PyPI) | = 3.0.1 | No fix listed |
| pypi rsa(PyPI) | = 3.1 | No fix listed |
| pypi rsa(PyPI) | = 3.1.1 | No fix listed |
| pypi rsa(PyPI) | = 3.1.2 | No fix listed |
| pypi rsa(PyPI) | = 3.1.3 | No fix listed |
| pypi rsa(PyPI) | = 3.1.4 | No fix listed |
| pypi rsa(PyPI) | = 3.2 | No fix listed |
| pypi rsa(PyPI) | = 3.2.1 | No fix listed |
| pypi rsa(PyPI) | = 3.2.2 | No fix listed |
| pypi rsa(PyPI) | = 3.2.3 | No fix listed |
| debian/python-rsa(Debian:12) | < 3.2.3-1.1 | 3.2.3-1.1 |
| debian/python-rsa(Debian:13) | < 3.2.3-1.1 | 3.2.3-1.1 |
| debian/python-rsa(Debian:14) | < 3.2.3-1.1 | 3.2.3-1.1 |
| python rsa | < 3.3 | 3.3 |
| fedoraproject fedora | = 22 | No fix listed |
| fedoraproject fedora | = 23 | No fix listed |
Show 3 more
| Product | Affected versions | Fixed in |
|---|---|---|
| openSUSE leap | = 42.1 | No fix listed |
| opensuse | = 13.1 | No fix listed |
| opensuse | = 13.2 | No fix listed |
References
- nvd.nist.gov third-party-advisory vendor-advisory
- github.com patch
- bitbucket.org patch third-party-advisory
- blog.filippo.io exploit technical-description third-party-advisory
- github.com
- github.com product
- web.archive.org
- FEDORA-2016-70edfbbcef third-party-advisory vendor-advisory
- FEDORA-2016-c845706426 third-party-advisory vendor-advisory
- openSUSE-SU-2016:0108 mailing-list third-party-advisory vendor-advisory
- [oss-security] 20160105 CVE Request: python-rsa signature forgery mailing-list third-party-advisory
- [oss-security] 20160104 Re: CVE Request: python-rsa signature forgery mailing-list third-party-advisory
- 79829 third-party-advisory vdb-entry
- github.com vendor-advisory
- Debian Security Tracker CVE-2016-1494 vendor-advisory
- bugs.debian.org issue-tracking