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Red Hat Security Advisory 2020-4469-01

Red Hat Security Advisory 2020-4469-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4469-01 - The Common UNIX Printing System provides a portable printing layer for Linux, UNIX, and similar operating systems. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat, unix
advisories | CVE-2020-3898
MD5 | c6a782b75f2ee6d2907f7905e7cb34d2

Red Hat Security Advisory 2020-4469-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Low: cups security and bug fix update
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
CVE Names: CVE-2020-3898
====================================================================
1. Summary:

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 impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. 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

3. Description:

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.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

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)

6. 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
cups-ipptool-debuginfo-2.2.6-38.el8.s390x.rpm
cups-libs-debuginfo-2.2.6-38.el8.s390x.rpm
cups-lpd-2.2.6-38.el8.s390x.rpm
cups-lpd-debuginfo-2.2.6-38.el8.s390x.rpm

x86_64:
cups-2.2.6-38.el8.x86_64.rpm
cups-client-2.2.6-38.el8.x86_64.rpm
cups-client-debuginfo-2.2.6-38.el8.i686.rpm
cups-client-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-debuginfo-2.2.6-38.el8.i686.rpm
cups-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-debugsource-2.2.6-38.el8.i686.rpm
cups-debugsource-2.2.6-38.el8.x86_64.rpm
cups-devel-2.2.6-38.el8.i686.rpm
cups-devel-2.2.6-38.el8.x86_64.rpm
cups-ipptool-2.2.6-38.el8.x86_64.rpm
cups-ipptool-debuginfo-2.2.6-38.el8.i686.rpm
cups-ipptool-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-libs-debuginfo-2.2.6-38.el8.i686.rpm
cups-libs-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-lpd-2.2.6-38.el8.x86_64.rpm
cups-lpd-debuginfo-2.2.6-38.el8.i686.rpm
cups-lpd-debuginfo-2.2.6-38.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
cups-2.2.6-38.el8.src.rpm

aarch64:
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-ipptool-debuginfo-2.2.6-38.el8.aarch64.rpm
cups-libs-2.2.6-38.el8.aarch64.rpm
cups-libs-debuginfo-2.2.6-38.el8.aarch64.rpm
cups-lpd-debuginfo-2.2.6-38.el8.aarch64.rpm

ppc64le:
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-ipptool-debuginfo-2.2.6-38.el8.ppc64le.rpm
cups-libs-2.2.6-38.el8.ppc64le.rpm
cups-libs-debuginfo-2.2.6-38.el8.ppc64le.rpm
cups-lpd-debuginfo-2.2.6-38.el8.ppc64le.rpm

s390x:
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-ipptool-debuginfo-2.2.6-38.el8.s390x.rpm
cups-libs-2.2.6-38.el8.s390x.rpm
cups-libs-debuginfo-2.2.6-38.el8.s390x.rpm
cups-lpd-debuginfo-2.2.6-38.el8.s390x.rpm

x86_64:
cups-client-debuginfo-2.2.6-38.el8.i686.rpm
cups-client-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-debuginfo-2.2.6-38.el8.i686.rpm
cups-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-debugsource-2.2.6-38.el8.i686.rpm
cups-debugsource-2.2.6-38.el8.x86_64.rpm
cups-ipptool-debuginfo-2.2.6-38.el8.i686.rpm
cups-ipptool-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-libs-2.2.6-38.el8.i686.rpm
cups-libs-2.2.6-38.el8.x86_64.rpm
cups-libs-debuginfo-2.2.6-38.el8.i686.rpm
cups-libs-debuginfo-2.2.6-38.el8.x86_64.rpm
cups-lpd-debuginfo-2.2.6-38.el8.i686.rpm
cups-lpd-debuginfo-2.2.6-38.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/

7. 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

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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