pyOpenSSL Security Updates for Ubuntu
Posted on: 11/09/2018 08:18 AM

Updated pyOpenSSL packages has been released for Ubuntu Linux 16.04 LTS

pyOpenSSL Security Updates for Ubuntu


==========================================================================
Ubuntu Security Notice USN-3813-1
November 08, 2018

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

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3813-1
CVE-2018-1000807, CVE-2018-1000808

Package Information:
https://launchpad.net/ubuntu/+source/pyopenssl/0.15.1-2ubuntu0.2



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