drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in openssl
Name: |
Denial of Service in openssl |
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ID: |
RHSA-2021:1131-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 7. April 2021, 23:13 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-3449 |
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Applikationen: |
OpenSSL |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: openssl security update Advisory ID: RHSA-2021:1131-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1131 Issue date: 2021-04-07 CVE Names: CVE-2021-3449 =====================================================================
1. Summary:
An update for openssl is now available for Red Hat Enterprise Linux 8.1 Extended 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 BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64
3. Description:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.
Security Fix(es):
* openssl: NULL pointer dereference in signature_algorithms processing (CVE-2021-3449)
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
For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.
5. Bugs fixed (https://bugzilla.redhat.com/):
1941554 - CVE-2021-3449 openssl: NULL pointer dereference in signature_algorithms processing
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: openssl-1.1.1c-5.el8_1.src.rpm
aarch64: openssl-1.1.1c-5.el8_1.aarch64.rpm openssl-debuginfo-1.1.1c-5.el8_1.aarch64.rpm openssl-debugsource-1.1.1c-5.el8_1.aarch64.rpm openssl-devel-1.1.1c-5.el8_1.aarch64.rpm openssl-libs-1.1.1c-5.el8_1.aarch64.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.aarch64.rpm openssl-perl-1.1.1c-5.el8_1.aarch64.rpm
ppc64le: openssl-1.1.1c-5.el8_1.ppc64le.rpm openssl-debuginfo-1.1.1c-5.el8_1.ppc64le.rpm openssl-debugsource-1.1.1c-5.el8_1.ppc64le.rpm openssl-devel-1.1.1c-5.el8_1.ppc64le.rpm openssl-libs-1.1.1c-5.el8_1.ppc64le.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.ppc64le.rpm openssl-perl-1.1.1c-5.el8_1.ppc64le.rpm
s390x: openssl-1.1.1c-5.el8_1.s390x.rpm openssl-debuginfo-1.1.1c-5.el8_1.s390x.rpm openssl-debugsource-1.1.1c-5.el8_1.s390x.rpm openssl-devel-1.1.1c-5.el8_1.s390x.rpm openssl-libs-1.1.1c-5.el8_1.s390x.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.s390x.rpm openssl-perl-1.1.1c-5.el8_1.s390x.rpm
x86_64: openssl-1.1.1c-5.el8_1.x86_64.rpm openssl-debuginfo-1.1.1c-5.el8_1.i686.rpm openssl-debuginfo-1.1.1c-5.el8_1.x86_64.rpm openssl-debugsource-1.1.1c-5.el8_1.i686.rpm openssl-debugsource-1.1.1c-5.el8_1.x86_64.rpm openssl-devel-1.1.1c-5.el8_1.i686.rpm openssl-devel-1.1.1c-5.el8_1.x86_64.rpm openssl-libs-1.1.1c-5.el8_1.i686.rpm openssl-libs-1.1.1c-5.el8_1.x86_64.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.i686.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.x86_64.rpm openssl-perl-1.1.1c-5.el8_1.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-2021-3449 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/
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