drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in bind
Name: |
Denial of Service in bind |
|
ID: |
RHSA-2021:1475-01 |
|
Distribution: |
Red Hat |
|
Plattformen: |
Red Hat Enterprise Linux |
|
Datum: |
Mo, 3. Mai 2021, 23:07 |
|
Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-25215 |
|
Applikationen: |
BIND |
|
Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: bind security update Advisory ID: RHSA-2021:1475-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1475 Issue date: 2021-05-03 CVE Names: CVE-2021-25215 =====================================================================
1. Summary:
An update for bind is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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 Server AUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64
3. Description:
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215)
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
After installing the update, the BIND daemon (named) will be restarted automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1953857 - CVE-2021-25215 bind: An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.3):
Source: bind-9.9.4-50.el7_3.6.src.rpm
noarch: bind-license-9.9.4-50.el7_3.6.noarch.rpm
x86_64: bind-9.9.4-50.el7_3.6.x86_64.rpm bind-chroot-9.9.4-50.el7_3.6.x86_64.rpm bind-debuginfo-9.9.4-50.el7_3.6.i686.rpm bind-debuginfo-9.9.4-50.el7_3.6.x86_64.rpm bind-libs-9.9.4-50.el7_3.6.i686.rpm bind-libs-9.9.4-50.el7_3.6.x86_64.rpm bind-libs-lite-9.9.4-50.el7_3.6.i686.rpm bind-libs-lite-9.9.4-50.el7_3.6.x86_64.rpm bind-pkcs11-9.9.4-50.el7_3.6.x86_64.rpm bind-pkcs11-libs-9.9.4-50.el7_3.6.i686.rpm bind-pkcs11-libs-9.9.4-50.el7_3.6.x86_64.rpm bind-pkcs11-utils-9.9.4-50.el7_3.6.x86_64.rpm bind-utils-9.9.4-50.el7_3.6.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.3):
x86_64: bind-debuginfo-9.9.4-50.el7_3.6.i686.rpm bind-debuginfo-9.9.4-50.el7_3.6.x86_64.rpm bind-devel-9.9.4-50.el7_3.6.i686.rpm bind-devel-9.9.4-50.el7_3.6.x86_64.rpm bind-lite-devel-9.9.4-50.el7_3.6.i686.rpm bind-lite-devel-9.9.4-50.el7_3.6.x86_64.rpm bind-pkcs11-devel-9.9.4-50.el7_3.6.i686.rpm bind-pkcs11-devel-9.9.4-50.el7_3.6.x86_64.rpm bind-sdb-9.9.4-50.el7_3.6.x86_64.rpm bind-sdb-chroot-9.9.4-50.el7_3.6.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-2021-25215 https://access.redhat.com/security/updates/classification/#important
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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
iQIVAwUBYI+VqtzjgjWX9erEAQhExBAAi4pwV/9FokcTeH1wOnKfEzLdIrU+z6LC AhN8zUjSbMvcz9ycpLLwZMq+cBCUaWAIpNJYs2HyIY8iK9+3mGAO5cyZ/dR2vtSq Vrdg2WoK2MK1MSF8Th8XzscmIdLDwTJrUuwDlZSHi+eTBMkTmn4/m1zUmh6Sqa39 jn7l/vdg/52zlbBLXsxJCxmdPjil24kmM5f/5Yzko94prz4D3WxUu2JDWzTf/eeX 1p8i7hYUwb1Kgj1jpPmacZbwCGpK+1XHF27gQ2hSH+X6hH9tbIz00RNYD3vpxqh4 vk68pjKp8iwQIVzB1IAb5xk5/BKICzfXLaHdIHk/1JYQdSU5pQUgHneTx3h09eY8 0OpvjV+fYq8ib8nOb7uFFsfjBPlZRdugPdaJA9ugdHxZWz7NPl7mBZveF+o4iX5E USuCVtLRzoAj/dPrkWKXT+Vl2SkgvuZCghNrZGTUJGAF2s3HTnTJVlHMCYnH57qY HUCfY+pjQWHauc0RRq14ZRqptn5coCoKj894f8ashqvq7WNh5U72DXqwiUnP9rXX g3TEKbTsHXQ61n268y0PtVkN0yHBKbaZcqF+dtu30PwpPZZWCIcDogWStRrmazG6 snXItMImbm0FwwKK4EbzbOgWdRg8vfv7K6M/IrndUJcDk5J07KN6Ax1u6UPh1nM5 gSwEB1h173w= =qN/Z -----END PGP SIGNATURE-----
-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce
|
|
|
|