drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Preisgabe von Informationen in libssh
Name: |
Preisgabe von Informationen in libssh |
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ID: |
RHSA-2016:0566-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux Extras |
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Datum: |
Fr, 1. April 2016, 10:37 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2016-0739 |
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Applikationen: |
libssh |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: libssh security update Advisory ID: RHSA-2016:0566-01 Product: Red Hat Enterprise Linux Extras Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0566.html Issue date: 2016-03-31 CVE Names: CVE-2016-0739 =====================================================================
1. Summary:
An update for libssh is now available for Red Hat Enterprise Linux 7 Extras.
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 7 Extras - x86_64
3. Description:
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
Security Fix(es):
* A type confusion issue was found in the way libssh generated ephemeral secrets for the diffie-hellman-group1 and diffie-hellman-group14 key exchange methods. This would cause an SSHv2 Diffie-Hellman handshake to use significantly less secure random parameters. (CVE-2016-0739)
Red Hat would like to thank Aris Adamantiadis for reporting this issue.
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 these updated packages, all running applications using libssh must be restarted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1305971 - CVE-2016-0739 libssh: bits/bytes confusion resulting in truncated Difffie-Hellman secret length
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source: libssh-0.7.1-2.el7.src.rpm
x86_64: libssh-0.7.1-2.el7.x86_64.rpm libssh-debuginfo-0.7.1-2.el7.x86_64.rpm libssh-devel-0.7.1-2.el7.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-2016-0739 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/
Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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