ESB-2019.1110 - [Debian] libssh2: Multiple vulnerabilities 2019-04-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1110
                         libssh2 regression update
                               3 April 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libssh2
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Access Privileged Data -- Existing Account
                   Denial of Service      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3859  

Reference:         ESB-2019.1075
                   ESB-2019.0996
                   ESB-2019.0911
                   ESB-2019.0894

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html

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Package        : libssh2
Version        : 1.4.3-4.1+deb8u3
CVE ID         : CVE-2019-3859


This regression update follows up on an upstream regression update [1]
regarding CVE-2019-3859.

With the previous libssh2 package revision, it was observed that user
authentication with private/public key pairs would fail under certain
circumstances.

For Debian 8 "Jessie", this problem has been fixed in version
1.4.3-4.1+deb8u3.

We recommend that you upgrade your libssh2 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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