drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in dovecot
Name: |
Zwei Probleme in dovecot |
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ID: |
RHSA-2021:1887-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 19. Mai 2021, 07:30 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-24386
https://access.redhat.com/security/cve/CVE-2020-25275 |
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Applikationen: |
dovecot |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: dovecot security and bug fix update Advisory ID: RHSA-2021:1887-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1887 Issue date: 2021-05-18 CVE Names: CVE-2020-24386 CVE-2020-25275 =====================================================================
1. Summary:
An update for dovecot 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.
Security Fix(es):
* dovecot: IMAP hibernation function allows mail access (CVE-2020-24386)
* dovecot: Denial of service via mail MIME parsing (CVE-2020-25275)
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/):
1805947 - Creating tmp files for systemd on behalf of dovecot references legacy directory /var/run/ instead of /run 1888111 - imap crashes in assertion "(ctx->nested_parts_count > 0)" regularly 1894418 - imap crashes in libdovecot-storage with assert "(block_count == 0 || block_idx+1 == block_count)" 1912455 - CVE-2020-24386 dovecot: IMAP hibernation function allows mail access 1912460 - CVE-2020-25275 dovecot: Denial of service via mail MIME parsing
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: dovecot-2.3.8-9.el8.src.rpm
aarch64: dovecot-2.3.8-9.el8.aarch64.rpm dovecot-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-debugsource-2.3.8-9.el8.aarch64.rpm dovecot-mysql-2.3.8-9.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.aarch64.rpm
ppc64le: dovecot-2.3.8-9.el8.ppc64le.rpm dovecot-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-debugsource-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.ppc64le.rpm
s390x: dovecot-2.3.8-9.el8.s390x.rpm dovecot-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-debugsource-2.3.8-9.el8.s390x.rpm dovecot-mysql-2.3.8-9.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pgsql-2.3.8-9.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.s390x.rpm
x86_64: dovecot-2.3.8-9.el8.x86_64.rpm dovecot-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-debugsource-2.3.8-9.el8.x86_64.rpm dovecot-mysql-2.3.8-9.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: dovecot-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-debugsource-2.3.8-9.el8.aarch64.rpm dovecot-devel-2.3.8-9.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.aarch64.rpm
ppc64le: dovecot-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-debugsource-2.3.8-9.el8.ppc64le.rpm dovecot-devel-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.ppc64le.rpm
s390x: dovecot-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-debugsource-2.3.8-9.el8.s390x.rpm dovecot-devel-2.3.8-9.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.s390x.rpm
x86_64: dovecot-2.3.8-9.el8.i686.rpm dovecot-debuginfo-2.3.8-9.el8.i686.rpm dovecot-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-debugsource-2.3.8-9.el8.i686.rpm dovecot-debugsource-2.3.8-9.el8.x86_64.rpm dovecot-devel-2.3.8-9.el8.i686.rpm dovecot-devel-2.3.8-9.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.i686.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.i686.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.i686.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.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-2020-24386 https://access.redhat.com/security/cve/CVE-2020-25275 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/
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