CVE-2016-1494: Python RSA allows attackers to spoof signatures

CVE-2016-1494 · Severity: low · CVSS 3 · Published 2016-01-13

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.

Technologies: rsa (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2016-1494 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2016-1494 being exploited in the wild.
How severe is CVE-2016-1494?
Low severity, with a CVSS score of 3, published 13 January 2016.
Which products and versions are affected?
rsa (PyPI) ECOSYSTEM:introduced=0,fixed=3.3.
Is there a fix for CVE-2016-1494?
Yes. rsa (PyPI): upgrade to 3.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2016-1494?
Check whether you run rsa (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • rsa (PyPI): upgrade to 3.3 or later
    pip install "rsa>=3.3"

Affected products

  • rsa (PyPI) ECOSYSTEM:introduced=0,fixed=3.3

Identifiers

  • CVE-2016-1494
  • GHSA-8rjr-6qq5-pj9p
  • PYSEC-2016-10

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