RHSA-2020:0889: Important: slirp4netns security update
The slirp4netns package contains user-mode networking for unprivileged network namespaces. It is required to enable networking for rootless containers.Security Fix(es): QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378) QEMU: slirp: OOB buffer access while emulating tcp protocols in tcpemu() (CVE-2020-7039) CVE-2020-8608 slirp4netns: QEMU: Slirp: potential OOB access due to unsafe snprintf() usages CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:0889?
The severity of RHSA-2020:0889 is considered moderate due to potential heap buffer overflow vulnerabilities.
How do I fix RHSA-2020:0889?
To fix RHSA-2020:0889, update the slirp4netns package to version 0.3.0-8.el7_7 or later.
What vulnerabilities are addressed in RHSA-2020:0889?
RHSA-2020:0889 addresses a heap buffer overflow vulnerability identified as CVE-2019-14378 in the slirp component.
Which systems are affected by RHSA-2020:0889?
RHSA-2020:0889 affects systems using the slirp4netns package prior to version 0.3.0-8.el7_7.
Is there a documentation available for more information on RHSA-2020:0889?
Yes, documentation related to RHSA-2020:0889 can typically be found within Red Hat's advisory resources.