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Red Hat Enterprise Linux: RHSA-2020-3749-01 Critical: librepo Path Exploit

red hat
Calendar Grey September 15, 2020
Dist Redhat Esm H88
A new release for librepo is now accessible in Red Hat Enterprise Linux, addressing a critical security vulnerability. Take action to protect your system immediately.
An update for librepo is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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 librepo library provides a C and Python API to download repository metadata.
Security Fix(es):
* librepo: missing path validation in repomd.xml may lead to directory traversal (CVE-2020-14352)
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.

Topics%20covered

Topics Covered

security advisory directory traversal Red Hat Enterprise Linux important update librepo

References

https://access.redhat.com/security/cve/CVE-2020-14352 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: librepo-1.10.3-4.el8_1.src.rpm
aarch64: librepo-1.10.3-4.el8_1.aarch64.rpm librepo-debuginfo-1.10.3-4.el8_1.aarch64.rpm librepo-debugsource-1.10.3-4.el8_1.aarch64.rpm python3-librepo-1.10.3-4.el8_1.aarch64.rpm python3-librepo-debuginfo-1.10.3-4.el8_1.aarch64.rpm
ppc64le: librepo-1.10.3-4.el8_1.ppc64le.rpm librepo-debuginfo-1.10.3-4.el8_1.ppc64le.rpm librepo-debugsource-1.10.3-4.el8_1.ppc64le.rpm python3-librepo-1.10.3-4.el8_1.ppc64le.rpm python3-librepo-debuginfo-1.10.3-4.el8_1.ppc64le.rpm
s390x: librepo-1.10.3-4.el8_1.s390x.rpm librepo-debuginfo-1.10.3-4.el8_1.s390x.rpm librepo-debugsource-1.10.3-4.el8_1.s390x.rpm python3-librepo-1.10.3-4.el8_1.s390x.rpm python3-librepo-debuginfo-1.10.3-4.el8_1.s390x.rpm
x86_64: librepo-1.10.3-4.el8_1.i686.rpm librepo-1.10.3-4.el8_1.x86_64.rpm librepo-debuginfo-1.10.3-4.el8_1.i686.rpm librepo-debuginfo-1.10.3-4.el8_1.x86_64.rpm librepo-debugsource-1.10.3-4.el8_1.i686.rpm librepo-debugsource-1.10.3-4.el8_1.x86_64.rpm python3-librepo-1.10.3-4.el8_1.x86_64.rpm python3-librepo-debuginfo-1.10.3-4.el8_1.i686.rpm python3-librepo-debuginfo-1.10.3-4.el8_1.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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:3749-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3749
Issue date: 2020-09-15

Topic

An update for librepo is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory directory traversal Red Hat Enterprise Linux important update librepo

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1866498 - CVE-2020-14352 librepo: missing path validation in repomd.xml may lead to directory traversal

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