Moderate: rh-python38-python security update

Topic

An update for rh-python38-python is now available for Red Hat Software Collections.

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

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

The following packages have been upgraded to a later upstream version: rh-python38-python (3.8.14).

Security Fix(es):

• python(mailcap): findmatch() function does not sanitise the second argument (CVE-2015-20107)
• python: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS (CVE-2020-10735)
• python: an open redirection vulnerability in lib/http/server.py may lead to information disclosure (CVE-2021-28861)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
• Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
• Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
• Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

Fixes

• BZ - 1834423 - CVE-2020-10735 python: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS
• BZ - 2075390 - CVE-2015-20107 python(mailcap): findmatch() function does not sanitise the second argument
• BZ - 2120642 - CVE-2021-28861 python: an open redirection vulnerability in lib/http/server.py may lead to information disclosure

CVEs

• CVE-2015-20107
• CVE-2020-10735
• CVE-2021-28861

References

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