CVE-2016-4983
First published: Mon Jun 13 2016(Updated: )
A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dovecot | ||
| SUSE Linux | =42.1 | |
| SUSE Linux | =42.2 | |
| openSUSE | =13.2 | |
| Red Hat Enterprise Linux | =4.0 | |
| Red Hat Enterprise Linux | =5.0 | |
| Red Hat Enterprise Linux | =6.0 | |
| Red Hat Enterprise Linux | =7.0 |
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Reference Links
- https://fedorahosted.org/fpc/ticket/506
- https://fedoraproject.org/wiki/Packaging:Initial_Service_Setup
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1346056
- https://bugzilla.redhat.com/show_bug.cgi?id=1346055
- http://lists.opensuse.org/opensuse-updates/2016-11/msg00096.html
- https://bugzilla.suse.com/show_bug.cgi?id=984639
Frequently Asked Questions
What is the severity of CVE-2016-4983?
CVE-2016-4983 has a medium severity rating, as it allows local users to access sensitive SSL/TLS key files.
How do I mitigate CVE-2016-4983?
Mitigation for CVE-2016-4983 involves adjusting file permissions and ownership for SSL/TLS key files created by dovecot.
Which systems are affected by CVE-2016-4983?
CVE-2016-4983 affects certain versions of Dovecot on Red Hat Enterprise Linux and openSUSE distributions.
Can exploiting CVE-2016-4983 lead to unauthorized access?
Yes, exploiting CVE-2016-4983 can allow local users to read private SSL/TLS key files, potentially leading to unauthorized access.
What versions of Red Hat are impacted by CVE-2016-4983?
CVE-2016-4983 impacts Red Hat Enterprise Linux versions 4.0, 5.0, 6.0, and 7.0.
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- vendor/dovecot
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- version/opensuse/13.2
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- version/red hat enterprise linux/6.0
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