Sigurnosni nedostaci programskog paketa cups

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by - 1. travnja 2020.0

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: cups security and bug fix update
Advisory ID: RHSA-2020:1050-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1050
Issue date: 2020-03-31
CVE Names: CVE-2018-4180 CVE-2018-4181 CVE-2018-4700
=====================================================================

1. Summary:

An update for cups is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Client (v. 7) – noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – x86_64
Red Hat Enterprise Linux Server (v. 7) – noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – 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: Local privilege escalation to root due to insecure environment
variable handling (CVE-2018-4180)

* cups: Manipulation of cupsd.conf by a local attacker resulting in limited
reads of arbitrary files as root (CVE-2018-4181)

* cups: Predictable session cookie breaks CSRF protection (CVE-2018-4700)

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 7.8 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/):

1607282 – CVE-2018-4180 cups: Local privilege escalation to root due to insecure environment variable handling
1607291 – CVE-2018-4181 cups: Manipulation of cupsd.conf by a local attacker resulting in limited reads of arbitrary files as root
1649347 – CVE-2018-4700 cups: Predictable session cookie breaks CSRF protection

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
cups-1.6.3-43.el7.src.rpm

noarch:
cups-filesystem-1.6.3-43.el7.noarch.rpm

x86_64:
cups-1.6.3-43.el7.x86_64.rpm
cups-client-1.6.3-43.el7.x86_64.rpm
cups-debuginfo-1.6.3-43.el7.i686.rpm
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-libs-1.6.3-43.el7.i686.rpm
cups-libs-1.6.3-43.el7.x86_64.rpm
cups-lpd-1.6.3-43.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
cups-debuginfo-1.6.3-43.el7.i686.rpm
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-devel-1.6.3-43.el7.i686.rpm
cups-devel-1.6.3-43.el7.x86_64.rpm
cups-ipptool-1.6.3-43.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
cups-1.6.3-43.el7.src.rpm

noarch:
cups-filesystem-1.6.3-43.el7.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
cups-debuginfo-1.6.3-43.el7.i686.rpm
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-devel-1.6.3-43.el7.i686.rpm
cups-devel-1.6.3-43.el7.x86_64.rpm
cups-ipptool-1.6.3-43.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
cups-1.6.3-43.el7.src.rpm

noarch:
cups-filesystem-1.6.3-43.el7.noarch.rpm

ppc64:
cups-1.6.3-43.el7.ppc64.rpm
cups-client-1.6.3-43.el7.ppc64.rpm
cups-debuginfo-1.6.3-43.el7.ppc.rpm
cups-debuginfo-1.6.3-43.el7.ppc64.rpm
cups-devel-1.6.3-43.el7.ppc.rpm
cups-devel-1.6.3-43.el7.ppc64.rpm
cups-libs-1.6.3-43.el7.ppc.rpm
cups-libs-1.6.3-43.el7.ppc64.rpm
cups-lpd-1.6.3-43.el7.ppc64.rpm

ppc64le:
cups-1.6.3-43.el7.ppc64le.rpm
cups-client-1.6.3-43.el7.ppc64le.rpm
cups-debuginfo-1.6.3-43.el7.ppc64le.rpm
cups-devel-1.6.3-43.el7.ppc64le.rpm
cups-libs-1.6.3-43.el7.ppc64le.rpm
cups-lpd-1.6.3-43.el7.ppc64le.rpm

s390x:
cups-1.6.3-43.el7.s390x.rpm
cups-client-1.6.3-43.el7.s390x.rpm
cups-debuginfo-1.6.3-43.el7.s390.rpm
cups-debuginfo-1.6.3-43.el7.s390x.rpm
cups-devel-1.6.3-43.el7.s390.rpm
cups-devel-1.6.3-43.el7.s390x.rpm
cups-libs-1.6.3-43.el7.s390.rpm
cups-libs-1.6.3-43.el7.s390x.rpm
cups-lpd-1.6.3-43.el7.s390x.rpm

x86_64:
cups-1.6.3-43.el7.x86_64.rpm
cups-client-1.6.3-43.el7.x86_64.rpm
cups-debuginfo-1.6.3-43.el7.i686.rpm
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-devel-1.6.3-43.el7.i686.rpm
cups-devel-1.6.3-43.el7.x86_64.rpm
cups-libs-1.6.3-43.el7.i686.rpm
cups-libs-1.6.3-43.el7.x86_64.rpm
cups-lpd-1.6.3-43.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
cups-debuginfo-1.6.3-43.el7.ppc64.rpm
cups-ipptool-1.6.3-43.el7.ppc64.rpm

ppc64le:
cups-debuginfo-1.6.3-43.el7.ppc64le.rpm
cups-ipptool-1.6.3-43.el7.ppc64le.rpm

s390x:
cups-debuginfo-1.6.3-43.el7.s390x.rpm
cups-ipptool-1.6.3-43.el7.s390x.rpm

x86_64:
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-ipptool-1.6.3-43.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
cups-1.6.3-43.el7.src.rpm

noarch:
cups-filesystem-1.6.3-43.el7.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
cups-debuginfo-1.6.3-43.el7.x86_64.rpm
cups-ipptool-1.6.3-43.el7.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-2018-4180
https://access.redhat.com/security/cve/CVE-2018-4181
https://access.redhat.com/security/cve/CVE-2018-4700
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_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/

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