USN-3813-1: pyOpenSSL vulnerabilities
pyopenssl vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in pyOpenSSL.
Software Description
- pyopenssl – Python wrapper around the OpenSSL library
Details
It was discovered that pyOpenSSL incorrectly handled memory when handling
X509 objects. A remote attacker could use this issue to cause pyOpenSSL to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2018-1000807)
It was discovered that pyOpenSSL incorrectly handled memory when performing
operations on a PKCS #12 store. A remote attacker could possibly use this
issue to cause pyOpenSSL to consume resources, resulting in a denial of
service. (CVE-2018-1000808)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 16.04 LTS
- python-openssl – 0.15.1-2ubuntu0.2
- python3-openssl – 0.15.1-2ubuntu0.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3813-1: pyOpenSSL vulnerabilities
