REDHAT-BUG-1593580: Buffer Overflow
First published: Thu Jun 21 2018(Updated: )
Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or IPv6 command-line parameter. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source. References: <a href="https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f">https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTP |
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Reference Links
- https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1593581
- https://access.redhat.com/errata/RHSA-2018:3853
- https://access.redhat.com/errata/RHSA-2018:3854
- https://access.redhat.com/security/updates/classification/
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/errata/RHSA-2019:2077
- https://access.redhat.com/errata/RHSA-2020:1470
- https://bugzilla.redhat.com/show_bug.cgi?id=1593580
Frequently Asked Questions
What is the severity of REDHAT-BUG-1593580?
The severity of REDHAT-BUG-1593580 is critical due to its potential to allow attackers to achieve code execution or escalate privileges.
How do I fix REDHAT-BUG-1593580?
To fix REDHAT-BUG-1593580, upgrade your NTP version to the latest patched release as recommended by your vendor.
What systems are affected by REDHAT-BUG-1593580?
REDHAT-BUG-1593580 affects systems running NTP version 4.2.8p11.
What are the risks associated with REDHAT-BUG-1593580?
The risks associated with REDHAT-BUG-1593580 include potential remote code execution and privilege escalation.
Is there a workaround for REDHAT-BUG-1593580?
There are no specific workarounds for REDHAT-BUG-1593580; the best mitigation is to apply the recommended security updates.
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