Topic

An update for python-cryptography 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 python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers.

Security Fix(es):

• python-cryptography: GCM tag forgery via truncated tag in finalize_with_tag API (CVE-2018-10903)

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 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 - 1602931 - CVE-2018-10903 python-cryptography: GCM tag forgery via truncated tag in finalize_with_tag API

CVEs

• CVE-2018-10903

References

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