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RHEL 8: RHSA-2021-1582-01 Moderate: cpio Input Validation Issue

red hat
Calendar Grey May 18, 2021
Dist Redhat Esm H88
Red Hat issued a significant security patch for cpio, correcting inadequate input validation vulnerabilities. Essential actions include.
An update for cpio 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 cpio packages provide the GNU cpio utility for creating and extracting archives, or copying files from one place to another.
Security Fix(es):
* cpio: improper input validation when writing tar header fields leads to unexpected tar generation (CVE-2019-14866)
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 8.4 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate update Red Hat Enterprise Linux moderate impact security patch input validation cpio cpio update improper input validation

References

https://access.redhat.com/security/cve/CVE-2019-14866 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: cpio-2.12-10.el8.src.rpm
aarch64: cpio-2.12-10.el8.aarch64.rpm cpio-debuginfo-2.12-10.el8.aarch64.rpm cpio-debugsource-2.12-10.el8.aarch64.rpm
ppc64le: cpio-2.12-10.el8.ppc64le.rpm cpio-debuginfo-2.12-10.el8.ppc64le.rpm cpio-debugsource-2.12-10.el8.ppc64le.rpm
s390x: cpio-2.12-10.el8.s390x.rpm cpio-debuginfo-2.12-10.el8.s390x.rpm cpio-debugsource-2.12-10.el8.s390x.rpm
x86_64: cpio-2.12-10.el8.x86_64.rpm cpio-debuginfo-2.12-10.el8.x86_64.rpm cpio-debugsource-2.12-10.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-2021:1582-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1582
Issue date: 2021-05-18

Topic

An update for cpio 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 Red Hat Enterprise Linux moderate impact security patch input validation cpio cpio update improper input validation

Relevant Releases Architectures

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

Bugs Fixed

1487673 - cpio does not preserve soft link time

1765511 - CVE-2019-14866 cpio: improper input validation when writing tar header fields leads to unexpected tar generation

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