NTPsec up to 1.1.2 ntp_control.c process_control out-of-bounds

Summaryinfo

A vulnerability classified as critical was found in NTPsec up to 1.1.2. Impacted is the function process_control of the file ntp_control.c. Such manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2019-6444. The attack may be launched remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in NTPsec up to 1.1.2 and classified as critical. Affected by this issue is the function process_control of the file ntp_control.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in NTPsec before 1.1.3. process_control() in ntp_control.c has a stack-based buffer over-read because attacker-controlled data is dereferenced by ntohl() in ntpd.

The bug was discovered 01/16/2019. The weakness was shared 01/16/2019 (Website). The advisory is available at dumpco.re. This vulnerability is handled as CVE-2019-6444 since 01/15/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 121340 (openSUSE Security Update : ntpsec (openSUSE-2019-82)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371590 (NTPsec Multiple Vulnerabilities).

Upgrading to version 1.1.3 eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (46176) and Tenable (121340). The entries VDB-129792, VDB-129793 and VDB-129795 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• NTPsec

Version

• 1.1.0
• 1.1.1
• 1.1.2

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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