exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2022-0632-01

Red Hat Security Advisory 2022-0632-01
Posted Feb 23, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0632-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Issues addressed include denial of service, integer overflow, out of bounds write, and traversal vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2019-25032, CVE-2019-25034, CVE-2019-25035, CVE-2019-25036, CVE-2019-25037, CVE-2019-25038, CVE-2019-25039, CVE-2019-25040, CVE-2019-25041, CVE-2019-25042, CVE-2020-28935
SHA-256 | 4129d3fe40137263b996a692249adf7fca79ba11697ad33403cd958a6638260d

Red Hat Security Advisory 2022-0632-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Moderate: unbound security update
Advisory ID: RHSA-2022:0632-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0632
Issue date: 2022-02-22
CVE Names: CVE-2019-25032 CVE-2019-25034 CVE-2019-25035
CVE-2019-25036 CVE-2019-25037 CVE-2019-25038
CVE-2019-25039 CVE-2019-25040 CVE-2019-25041
CVE-2019-25042 CVE-2020-28935
=====================================================================

1. Summary:

An update for unbound is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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 AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

3. Description:

The unbound packages provide a validating, recursive, and caching DNS or
DNSSEC resolver.

Security Fix(es):

* unbound: integer overflow in the regional allocator via regional_alloc
(CVE-2019-25032)

* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to
an out-of-bounds write (CVE-2019-25034)

* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)

* unbound: assertion failure and denial of service in synth_cname
(CVE-2019-25036)

* unbound: assertion failure and denial of service in dname_pkt_copy via an
invalid packet (CVE-2019-25037)

* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c
(CVE-2019-25038)

* unbound: integer overflow in a size calculation in respip/respip.c
(CVE-2019-25039)

* unbound: infinite loop via a compressed name in dname_pkt_copy
(CVE-2019-25040)

* unbound: assertion failure via a compressed name in dname_pkt_copy
(CVE-2019-25041)

* unbound: out-of-bounds write via a compressed name in rdata_copy
(CVE-2019-25042)

* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)

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.

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/):

1878761 - CVE-2020-28935 unbound: symbolic link traversal when writing PID file
1954772 - CVE-2019-25032 unbound: integer overflow in the regional allocator via regional_alloc
1954778 - CVE-2019-25034 unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write
1954780 - CVE-2019-25035 unbound: out-of-bounds write in sldns_bget_token_par
1954782 - CVE-2019-25036 unbound: assertion failure and denial of service in synth_cname
1954794 - CVE-2019-25037 unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet
1954796 - CVE-2019-25038 unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c
1954797 - CVE-2019-25039 unbound: integer overflow in a size calculation in respip/respip.c
1954799 - CVE-2019-25040 unbound: infinite loop via a compressed name in dname_pkt_copy
1954801 - CVE-2019-25041 unbound: assertion failure via a compressed name in dname_pkt_copy
1954804 - CVE-2019-25042 unbound: out-of-bounds write via a compressed name in rdata_copy

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
unbound-1.7.3-12.el8_2.src.rpm

aarch64:
python3-unbound-1.7.3-12.el8_2.aarch64.rpm
python3-unbound-debuginfo-1.7.3-12.el8_2.aarch64.rpm
unbound-1.7.3-12.el8_2.aarch64.rpm
unbound-debuginfo-1.7.3-12.el8_2.aarch64.rpm
unbound-debugsource-1.7.3-12.el8_2.aarch64.rpm
unbound-devel-1.7.3-12.el8_2.aarch64.rpm
unbound-libs-1.7.3-12.el8_2.aarch64.rpm
unbound-libs-debuginfo-1.7.3-12.el8_2.aarch64.rpm

ppc64le:
python3-unbound-1.7.3-12.el8_2.ppc64le.rpm
python3-unbound-debuginfo-1.7.3-12.el8_2.ppc64le.rpm
unbound-1.7.3-12.el8_2.ppc64le.rpm
unbound-debuginfo-1.7.3-12.el8_2.ppc64le.rpm
unbound-debugsource-1.7.3-12.el8_2.ppc64le.rpm
unbound-devel-1.7.3-12.el8_2.ppc64le.rpm
unbound-libs-1.7.3-12.el8_2.ppc64le.rpm
unbound-libs-debuginfo-1.7.3-12.el8_2.ppc64le.rpm

s390x:
python3-unbound-1.7.3-12.el8_2.s390x.rpm
python3-unbound-debuginfo-1.7.3-12.el8_2.s390x.rpm
unbound-1.7.3-12.el8_2.s390x.rpm
unbound-debuginfo-1.7.3-12.el8_2.s390x.rpm
unbound-debugsource-1.7.3-12.el8_2.s390x.rpm
unbound-devel-1.7.3-12.el8_2.s390x.rpm
unbound-libs-1.7.3-12.el8_2.s390x.rpm
unbound-libs-debuginfo-1.7.3-12.el8_2.s390x.rpm

x86_64:
python3-unbound-1.7.3-12.el8_2.x86_64.rpm
python3-unbound-debuginfo-1.7.3-12.el8_2.i686.rpm
python3-unbound-debuginfo-1.7.3-12.el8_2.x86_64.rpm
unbound-1.7.3-12.el8_2.x86_64.rpm
unbound-debuginfo-1.7.3-12.el8_2.i686.rpm
unbound-debuginfo-1.7.3-12.el8_2.x86_64.rpm
unbound-debugsource-1.7.3-12.el8_2.i686.rpm
unbound-debugsource-1.7.3-12.el8_2.x86_64.rpm
unbound-devel-1.7.3-12.el8_2.i686.rpm
unbound-devel-1.7.3-12.el8_2.x86_64.rpm
unbound-libs-1.7.3-12.el8_2.i686.rpm
unbound-libs-1.7.3-12.el8_2.x86_64.rpm
unbound-libs-debuginfo-1.7.3-12.el8_2.i686.rpm
unbound-libs-debuginfo-1.7.3-12.el8_2.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-2019-25032
https://access.redhat.com/security/cve/CVE-2019-25034
https://access.redhat.com/security/cve/CVE-2019-25035
https://access.redhat.com/security/cve/CVE-2019-25036
https://access.redhat.com/security/cve/CVE-2019-25037
https://access.redhat.com/security/cve/CVE-2019-25038
https://access.redhat.com/security/cve/CVE-2019-25039
https://access.redhat.com/security/cve/CVE-2019-25040
https://access.redhat.com/security/cve/CVE-2019-25041
https://access.redhat.com/security/cve/CVE-2019-25042
https://access.redhat.com/security/cve/CVE-2020-28935
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=Dn/C
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

November 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Nov 1st
    30 Files
  • 2
    Nov 2nd
    0 Files
  • 3
    Nov 3rd
    0 Files
  • 4
    Nov 4th
    12 Files
  • 5
    Nov 5th
    44 Files
  • 6
    Nov 6th
    18 Files
  • 7
    Nov 7th
    9 Files
  • 8
    Nov 8th
    8 Files
  • 9
    Nov 9th
    3 Files
  • 10
    Nov 10th
    0 Files
  • 11
    Nov 11th
    14 Files
  • 12
    Nov 12th
    20 Files
  • 13
    Nov 13th
    0 Files
  • 14
    Nov 14th
    0 Files
  • 15
    Nov 15th
    0 Files
  • 16
    Nov 16th
    0 Files
  • 17
    Nov 17th
    0 Files
  • 18
    Nov 18th
    0 Files
  • 19
    Nov 19th
    0 Files
  • 20
    Nov 20th
    0 Files
  • 21
    Nov 21st
    0 Files
  • 22
    Nov 22nd
    0 Files
  • 23
    Nov 23rd
    0 Files
  • 24
    Nov 24th
    0 Files
  • 25
    Nov 25th
    0 Files
  • 26
    Nov 26th
    0 Files
  • 27
    Nov 27th
    0 Files
  • 28
    Nov 28th
    0 Files
  • 29
    Nov 29th
    0 Files
  • 30
    Nov 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2024 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close