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Red Hat Enterprise Linux 8 RHSA-2020-4469 Low: CUPS Heap Overflow

red hat
Calendar Grey November 3, 2020
Dist Redhat Esm H88
Security notice regarding the cups update for Red Hat Enterprise Linux 8, which resolves a minor-severity heap overflow vulnerability.
An update for cups 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

After installing this update, the cupsd service will be restarted automatically.

Summary

The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.
Security Fix(es):
* cups: heap based buffer overflow in libcups's ppdFindOption() in ppd-mark.c (CVE-2020-3898)
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 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux heap overflow low severity cups update Linux printing

References

https://access.redhat.com/security/cve/CVE-2020-3898 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: cups-2.2.6-38.el8.aarch64.rpm cups-client-2.2.6-38.el8.aarch64.rpm cups-client-debuginfo-2.2.6-38.el8.aarch64.rpm cups-debuginfo-2.2.6-38.el8.aarch64.rpm cups-debugsource-2.2.6-38.el8.aarch64.rpm cups-devel-2.2.6-38.el8.aarch64.rpm cups-ipptool-2.2.6-38.el8.aarch64.rpm cups-ipptool-debuginfo-2.2.6-38.el8.aarch64.rpm cups-libs-debuginfo-2.2.6-38.el8.aarch64.rpm cups-lpd-2.2.6-38.el8.aarch64.rpm cups-lpd-debuginfo-2.2.6-38.el8.aarch64.rpm
noarch: cups-filesystem-2.2.6-38.el8.noarch.rpm
ppc64le: cups-2.2.6-38.el8.ppc64le.rpm cups-client-2.2.6-38.el8.ppc64le.rpm cups-client-debuginfo-2.2.6-38.el8.ppc64le.rpm cups-debuginfo-2.2.6-38.el8.ppc64le.rpm cups-debugsource-2.2.6-38.el8.ppc64le.rpm cups-devel-2.2.6-38.el8.ppc64le.rpm cups-ipptool-2.2.6-38.el8.ppc64le.rpm cups-ipptool-debuginfo-2.2.6-38.el8.ppc64le.rpm cups-libs-debuginfo-2.2.6-38.el8.ppc64le.rpm cups-lpd-2.2.6-38.el8.ppc64le.rpm cups-lpd-debuginfo-2.2.6-38.el8.ppc64le.rpm
s390x: cups-2.2.6-38.el8.s390x.rpm cups-client-2.2.6-38.el8.s390x.rpm cups-client-debuginfo-2.2.6-38.el8.s390x.rpm cups-debuginfo-2.2.6-38.el8.s390x.rpm cups-debugsource-2.2.6-38.el8.s390x.rpm cups-devel-2.2.6-38.el8.s390x.rpm cups-ipptool-2.2.6-38.el8.s390x.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:4469-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4469
Issue date: 2020-11-03

Topic

An update for cups is now available for Red Hat Enterprise Linux 8.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 bug fix Red Hat Enterprise Linux heap overflow low severity cups update Linux printing

Relevant Releases Architectures

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

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

Bugs Fixed

1689207 - Add failover backend

1775590 - rastertoepson filter crashes with paper size A6

1784884 - cups.service doesn't execute automatically on request

1809002 - scriptlet issue, /usr/bin/rm: cannot remove '/var/cache/cups/*.data'

1822135 - _ppdOpen() leaks 'string' variable

1823964 - CVE-2020-3898 cups: heap based buffer overflow in libcups's ppdFindOption() in ppd-mark.c

1838449 - ipp/socket backends connect to turned off device for eternity (contimeout is not applied)

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