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

Synopsis:          Moderate: p11-kit security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:1609-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1609
Issue date:        2021-05-18
CVE Names:         CVE-2020-29361 CVE-2020-29362 CVE-2020-29363
====================================================================
1. Summary:

An update for p11-kit is now available for Red Hat Enterprise Linux 8.

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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The p11-kit packages provide a mechanism to manage PKCS#11 modules. The
p11-kit-trust subpackage includes a PKCS#11 trust module that provides
certificate anchors and black lists based on configuration files.

The following packages have been upgraded to a later upstream version:
p11-kit (0.23.22). (BZ#1887853)

Security Fix(es):

* p11-kit: integer overflow when allocating memory for arrays or attributes
and object identifiers (CVE-2020-29361)

* p11-kit: out-of-bounds read in p11_rpc_buffer_get_byte_array function in
rpc-message.c (CVE-2020-29362)

* p11-kit: out-of-bounds write in p11_rpc_buffer_get_byte_array_value
function in rpc-message.c (CVE-2020-29363)

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.

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

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

1665172 - SIGABRT when trust anchor read a malformed file
1890464 - p11-kit freeze for invalid module configuration
1903588 - CVE-2020-29363 p11-kit: out-of-bounds write in p11_rpc_buffer_get_byte_array_value function in rpc-message.c
1903590 - CVE-2020-29362 p11-kit: out-of-bounds read in p11_rpc_buffer_get_byte_array function in rpc-message.c
1903592 - CVE-2020-29361 p11-kit: integer overflow when allocating memory for arrays or attributes and object identifiers

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
p11-kit-0.23.22-1.el8.src.rpm

aarch64:
p11-kit-0.23.22-1.el8.aarch64.rpm
p11-kit-debuginfo-0.23.22-1.el8.aarch64.rpm
p11-kit-debugsource-0.23.22-1.el8.aarch64.rpm
p11-kit-devel-0.23.22-1.el8.aarch64.rpm
p11-kit-server-0.23.22-1.el8.aarch64.rpm
p11-kit-server-debuginfo-0.23.22-1.el8.aarch64.rpm
p11-kit-trust-0.23.22-1.el8.aarch64.rpm
p11-kit-trust-debuginfo-0.23.22-1.el8.aarch64.rpm

ppc64le:
p11-kit-0.23.22-1.el8.ppc64le.rpm
p11-kit-debuginfo-0.23.22-1.el8.ppc64le.rpm
p11-kit-debugsource-0.23.22-1.el8.ppc64le.rpm
p11-kit-devel-0.23.22-1.el8.ppc64le.rpm
p11-kit-server-0.23.22-1.el8.ppc64le.rpm
p11-kit-server-debuginfo-0.23.22-1.el8.ppc64le.rpm
p11-kit-trust-0.23.22-1.el8.ppc64le.rpm
p11-kit-trust-debuginfo-0.23.22-1.el8.ppc64le.rpm

s390x:
p11-kit-0.23.22-1.el8.s390x.rpm
p11-kit-debuginfo-0.23.22-1.el8.s390x.rpm
p11-kit-debugsource-0.23.22-1.el8.s390x.rpm
p11-kit-devel-0.23.22-1.el8.s390x.rpm
p11-kit-server-0.23.22-1.el8.s390x.rpm
p11-kit-server-debuginfo-0.23.22-1.el8.s390x.rpm
p11-kit-trust-0.23.22-1.el8.s390x.rpm
p11-kit-trust-debuginfo-0.23.22-1.el8.s390x.rpm

x86_64:
p11-kit-0.23.22-1.el8.i686.rpm
p11-kit-0.23.22-1.el8.x86_64.rpm
p11-kit-debuginfo-0.23.22-1.el8.i686.rpm
p11-kit-debuginfo-0.23.22-1.el8.x86_64.rpm
p11-kit-debugsource-0.23.22-1.el8.i686.rpm
p11-kit-debugsource-0.23.22-1.el8.x86_64.rpm
p11-kit-devel-0.23.22-1.el8.i686.rpm
p11-kit-devel-0.23.22-1.el8.x86_64.rpm
p11-kit-server-0.23.22-1.el8.x86_64.rpm
p11-kit-server-debuginfo-0.23.22-1.el8.i686.rpm
p11-kit-server-debuginfo-0.23.22-1.el8.x86_64.rpm
p11-kit-trust-0.23.22-1.el8.i686.rpm
p11-kit-trust-0.23.22-1.el8.x86_64.rpm
p11-kit-trust-debuginfo-0.23.22-1.el8.i686.rpm
p11-kit-trust-debuginfo-0.23.22-1.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-2020-29361
https://access.redhat.com/security/cve/CVE-2020-29362
https://access.redhat.com/security/cve/CVE-2020-29363
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/

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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