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Red Hat Enterprise Linux 7: RHSA-2020:1167-01 Low: Nbdkit DoS Issue

red hat
Calendar Grey March 31, 2020
Dist Redhat Esm H88
The latest update from Red Hat addresses security vulnerabilities found in nbdkit, categorized as low impact. Discover further details in this advisory.
An update for nbdkit is now available for Red Hat Enterprise Linux 7

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

Summary

Network Block Device (NBD) is a protocol for accessing hard disks and other disk-like devices over the network. The nbdkit toolkit utilizes NBD to create servers with minimal dependencies. The package contains plug-in support for the C and Python programming languages.
Security Fix(es):
* nbdkit: denial of service due to premature opening of back-end connection (CVE-2019-14850)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat security fix low severity product update nbdkit

References

https://access.redhat.com/security/cve/CVE-2019-14850 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.8_release_notes/index

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: nbdkit-1.8.0-3.el7.src.rpm
x86_64: nbdkit-1.8.0-3.el7.x86_64.rpm nbdkit-debuginfo-1.8.0-3.el7.x86_64.rpm nbdkit-plugin-python-common-1.8.0-3.el7.x86_64.rpm nbdkit-plugin-python2-1.8.0-3.el7.x86_64.rpm nbdkit-plugin-vddk-1.8.0-3.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: nbdkit-basic-plugins-1.8.0-3.el7.x86_64.rpm nbdkit-debuginfo-1.8.0-3.el7.x86_64.rpm nbdkit-devel-1.8.0-3.el7.x86_64.rpm nbdkit-example-plugins-1.8.0-3.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1167-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1167
Issue date: 2020-03-31

Topic

An update for nbdkit is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat security fix low severity product update nbdkit

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Bugs Fixed

1724242 - Should ignore the ext2fs libraries during building rpms from nbdkit src package

1757258 - CVE-2019-14850 nbdkit: denial of service due to premature opening of back-end connection

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