Ubuntu Security Notice 3720-1 - It was discovered that python-cryptography incorrectly handled certain inputs. An attacker could possibly use this to get access to sensitive information.
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Ubuntu Security Notice USN-3720-1
July 23, 2018
python-cryptography vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
python-cryptography could be made to expose sensitive information
if it received a specially crafted input.
Software Description:
- python-cryptography: Cryptography Python library
Details:
It was discovered that python-cryptography incorrectly handled certain
inputs. An attacker could possibly use this to get access to sensitive
information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
python-cryptography 2.1.4-1ubuntu1.2
python3-cryptography 2.1.4-1ubuntu1.2
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3720-1
CVE-2018-10903
Package Information:
https://launchpad.net/ubuntu/+source/python-cryptography/2.1.4-1ubuntu1.2