| Name | CVE-2016-1494 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 809980 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-rsa (PTS) | jessie | 3.1.4-1+deb8u1 | fixed |
| stretch | 3.4.2-1 | fixed |
| buster | 4.0-2 | fixed |
| bullseye | 4.0-4 | fixed |
| bookworm | 4.8-1 | fixed |
| sid, trixie | 4.9-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| python-rsa | source | jessie | 3.1.4-1+deb8u1 | | | |
| python-rsa | source | (unstable) | 3.2.3-1.1 | | | 809980 |
Notes
proposed fix: 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/