CVE-2016-0634: OS Command Injection
First published: Tue Sep 20 2016(Updated: )
A vulnerability was found in a way bash expands the $HOSTNAME. Injecting the hostname with malicious code would cause it to run each time bash expanded \h in the prompt string. References: <a href="http://seclists.org/oss-sec/2016/q3/528">http://seclists.org/oss-sec/2016/q3/528</a> Ubuntu bug: <a href="https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1507025">https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1507025</a>
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Bash | =4.3 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/09/16/12
- http://www.openwall.com/lists/oss-security/2016/09/16/8
- http://www.openwall.com/lists/oss-security/2016/09/18/11
- http://www.openwall.com/lists/oss-security/2016/09/19/7
- http://www.openwall.com/lists/oss-security/2016/09/20/1
- http://www.openwall.com/lists/oss-security/2016/09/27/9
- http://www.openwall.com/lists/oss-security/2016/09/29/27
- http://www.openwall.com/lists/oss-security/2016/10/07/6
- http://www.openwall.com/lists/oss-security/2016/10/10/3
- http://www.openwall.com/lists/oss-security/2016/10/10/4
- http://www.securityfocus.com/bid/92999
- https://access.redhat.com/errata/RHSA-2017:1931
- https://bugzilla.redhat.com/show_bug.cgi?id=1377613
- https://security.gentoo.org/glsa/201612-39
- http://seclists.org/oss-sec/2016/q3/528
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1507025
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1377614
- http://openwall.com/lists/oss-security/2016/09/16/18
- http://seclists.org/oss-sec/2016/q3/538
- https://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-047
- https://rhn.redhat.com/errata/RHSA-2017-0725.html
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