drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in telnet
Name: |
Ausführen beliebiger Kommandos in telnet |
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ID: |
RHSA-2020:1334-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 6. April 2020, 19:35 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-10188 |
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Applikationen: |
NetKit |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: telnet security update Advisory ID: RHSA-2020:1334-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1334 Issue date: 2020-04-06 CVE Names: CVE-2020-10188 =====================================================================
1. Summary:
An update for telnet is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports remote logins into the host machine. The telnet service is disabled by default.
Security Fix(es):
* telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code (CVE-2020-10188)
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/):
1811673 - CVE-2020-10188 telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: telnet-0.17-65.el7_8.src.rpm
x86_64: telnet-0.17-65.el7_8.x86_64.rpm telnet-debuginfo-0.17-65.el7_8.x86_64.rpm telnet-server-0.17-65.el7_8.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: telnet-0.17-65.el7_8.src.rpm
x86_64: telnet-0.17-65.el7_8.x86_64.rpm telnet-debuginfo-0.17-65.el7_8.x86_64.rpm telnet-server-0.17-65.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: telnet-0.17-65.el7_8.src.rpm
ppc64: telnet-0.17-65.el7_8.ppc64.rpm telnet-debuginfo-0.17-65.el7_8.ppc64.rpm telnet-server-0.17-65.el7_8.ppc64.rpm
ppc64le: telnet-0.17-65.el7_8.ppc64le.rpm telnet-debuginfo-0.17-65.el7_8.ppc64le.rpm telnet-server-0.17-65.el7_8.ppc64le.rpm
s390x: telnet-0.17-65.el7_8.s390x.rpm telnet-debuginfo-0.17-65.el7_8.s390x.rpm telnet-server-0.17-65.el7_8.s390x.rpm
x86_64: telnet-0.17-65.el7_8.x86_64.rpm telnet-debuginfo-0.17-65.el7_8.x86_64.rpm telnet-server-0.17-65.el7_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: telnet-0.17-65.el7_8.src.rpm
x86_64: telnet-0.17-65.el7_8.x86_64.rpm telnet-debuginfo-0.17-65.el7_8.x86_64.rpm telnet-server-0.17-65.el7_8.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-2020-10188 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 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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