Covert Timing Channel The advisory has been revoked - it doesn't affect any version of package python-rsa (opens in a new tab)

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Snyk IDSNYK-UBUNTU1404-PYTHONRSA-1039844
published13 Nov 2020
disclosed12 Nov 2020

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Introduced: 12 Nov 2020

CVE-2020-25658 (opens in a new tab) CWE-385 (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:14.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-rsa package and not the python-rsa package as distributed by Ubuntu.

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.