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GLSA
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Joined: 12 May 2004
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PostPosted: Wed Jul 20, 2016 9:26 am    Post subject: [ GLSA 201607-08 ] Dropbear Reply with quote

Gentoo Linux Security Advisory

Title: Dropbear: Privilege escalation (GLSA 201607-08)
Severity: normal
Exploitable: remote
Date: July 20, 2016
Bug(s): #577050
ID: 201607-08

Synopsis

A vulnerability has been found in Dropbear, which allows remote
authenticated users to bypass intended shell-command restrictions.


Background

Dropbear is a relatively small SSH server and client.

Affected Packages

Package: net-misc/dropbear
Vulnerable: < 2016.73
Unaffected: >= 2016.73
Architectures: All supported architectures


Description

A CRLF injection vulnerability in Dropbear SSH allows remote
authenticated users to bypass intended shell-command restrictions via
crafted X11 forwarding data.


Impact

A remote authenticated user could execute arbitrary code with the
privileges of the process.


Workaround

There is no known workaround at this time.

Resolution

All Dropbear users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/dropbear-2016.73"
   


References

CVE-2016-3116
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