drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in thunderbird
Name: |
Mehrere Probleme in thunderbird |
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ID: |
RHSA-2021:1193-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 14. April 2021, 23:25 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-23991
https://access.redhat.com/security/cve/CVE-2021-23992
https://access.redhat.com/security/cve/CVE-2021-23993 |
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Applikationen: |
Mozilla Thunderbird |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: thunderbird security update Advisory ID: RHSA-2021:1193-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1193 Issue date: 2021-04-14 CVE Names: CVE-2021-23991 CVE-2021-23992 CVE-2021-23993 =====================================================================
1. Summary:
An update for thunderbird 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 AppStream (v. 8) - aarch64, ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.9.1.
Security Fix(es):
* Mozilla: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key (CVE-2021-23991)
* Mozilla: A crafted OpenPGP key with an invalid user ID could be used to confuse the user (CVE-2021-23992)
* Mozilla: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key (CVE-2021-23993)
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
All running instances of Thunderbird must be restarted for the update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1948393 - CVE-2021-23991 Mozilla: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key 1948394 - CVE-2021-23992 Mozilla: A crafted OpenPGP key with an invalid user ID could be used to confuse the user 1948395 - CVE-2021-23993 Mozilla: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: thunderbird-78.9.1-1.el8_3.src.rpm
aarch64: thunderbird-78.9.1-1.el8_3.aarch64.rpm thunderbird-debuginfo-78.9.1-1.el8_3.aarch64.rpm thunderbird-debugsource-78.9.1-1.el8_3.aarch64.rpm
ppc64le: thunderbird-78.9.1-1.el8_3.ppc64le.rpm thunderbird-debuginfo-78.9.1-1.el8_3.ppc64le.rpm thunderbird-debugsource-78.9.1-1.el8_3.ppc64le.rpm
x86_64: thunderbird-78.9.1-1.el8_3.x86_64.rpm thunderbird-debuginfo-78.9.1-1.el8_3.x86_64.rpm thunderbird-debugsource-78.9.1-1.el8_3.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-2021-23991 https://access.redhat.com/security/cve/CVE-2021-23992 https://access.redhat.com/security/cve/CVE-2021-23993 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/
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