Moderate: pyOpenSSL security and bug fix update

Synopsis

Moderate: pyOpenSSL security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for pyOpenSSL is now available for Red Hat OpenStack Platform 13.0 (Queens).

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The pyOpenSSL packages provide a high-level wrapper around a subset of the OpenSSL library for the Python programming language.

Security Fix(es):

• pyOpenSSL: Use-after-free in X509 object handling (CVE-2018-1000807)
  
• pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store (CVE-2018-1000808)
  

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat OpenStack 13 x86_64
• Red Hat OpenStack for IBM Power 13 ppc64le
• Red Hat OpenStack Director Deployment Tools 13 x86_64
• Red Hat OpenStack Director Deployment Tools for IBM Power LE 13 ppc64le

Fixes

• BZ - 1640216 - CVE-2018-1000808 pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store
• BZ - 1640217 - CVE-2018-1000807 pyOpenSSL: Use-after-free in X509 object handling
• BZ - 1642296 - pyOpenSSL should require python-cryptography >= 1.9

CVEs

• CVE-2018-1000807
• CVE-2018-1000808

References

• https://access.redhat.com/security/updates/classification/#moderate