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Red Hat: RHSA-2022-7793 Moderate: Rsync Buffer Overflow Advisory

red hat
Calendar Grey November 8, 2022
Dist Redhat Esm H88
Recent Rsync updates for Red Hat Enterprise Linux 8 enhance security and efficiency, tackling buffer overflow vulnerabilities and improving sync processes
An update for rsync is now available for Red Hat Enterprise Linux 8

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

The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool.
Security Fix(es):
* zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field (CVE-2022-37434)
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 8.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate update buffer overflow red hat security fix rsync

References

https://access.redhat.com/security/cve/CVE-2022-37434 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.7_release_notes/index

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: rsync-3.1.3-19.el8.src.rpm
aarch64: rsync-3.1.3-19.el8.aarch64.rpm rsync-debuginfo-3.1.3-19.el8.aarch64.rpm rsync-debugsource-3.1.3-19.el8.aarch64.rpm
noarch: rsync-daemon-3.1.3-19.el8.noarch.rpm
ppc64le: rsync-3.1.3-19.el8.ppc64le.rpm rsync-debuginfo-3.1.3-19.el8.ppc64le.rpm rsync-debugsource-3.1.3-19.el8.ppc64le.rpm
s390x: rsync-3.1.3-19.el8.s390x.rpm rsync-debuginfo-3.1.3-19.el8.s390x.rpm rsync-debugsource-3.1.3-19.el8.s390x.rpm
x86_64: rsync-3.1.3-19.el8.x86_64.rpm rsync-debuginfo-3.1.3-19.el8.x86_64.rpm rsync-debugsource-3.1.3-19.el8.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


Advisory ID: RHSA-2022:7793-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7793
Issue date: 2022-11-08

Topic

An update for rsync is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 moderate update buffer overflow red hat security fix rsync

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2043753 - [RFE] Improve defaults for sparse file buffering.

2116639 - CVE-2022-37434 zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field

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