# CVE-2018-12327: ntp: Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or...

CVE-2018-12327 is fixed in 3 products on 1 platform, first by ntp 1:4.2.8p10+dfsg-5ubuntu7.3+esm1, released June 20, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-12327
- Priority: Routine
- CVSS: n/a (Negligible)
- EPSS: 0.2751
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 20, 2018

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ntp Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.3+esm1 | [ntp 1:4.2.8p10+dfsg-5ubuntu7.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ntp-1-4.2.8p10-dfsg-5ubuntu7.3-esm1.md) | Jun 20, 2018 |
| Linux | ntpdate Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.3+esm1 | [ntpdate 1:4.2.8p10+dfsg-5ubuntu7.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ntpdate-1-4.2.8p10-dfsg-5ubuntu7.3-esm1.md) | Jun 20, 2018 |
| Linux | sntp Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.3+esm1 | [sntp 1:4.2.8p10+dfsg-5ubuntu7.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sntp-1-4.2.8p10-dfsg-5ubuntu7.3-esm1.md) | Jun 20, 2018 |

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