RHSA-2024:7421 - Security Advisory

Topic

An update for python-gevent is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. 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

gevent is a coroutine-based Python networking library that uses greenlet to provide a high-level synchronous API on top of libevent event loop. Features include: * convenient API around greenlets * familiar synchronization primitives (gevent.event, gevent.queue) * socket module that cooperates * WSGI server on top of libevent-http * DNS requests done through libevent-dns * monkey patching utility to get pure Python modules to cooperate

Security Fix(es):

• python-gevent: privilege escalation via a crafted script to the WSGIServer component (CVE-2023-41419)

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 Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

• BZ - 2240651 - CVE-2023-41419 python-gevent: privilege escalation via a crafted script to the WSGIServer component

CVEs

• CVE-2023-41419

References

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