Summaryinfo

A vulnerability marked as critical has been reported in MAWK up to 1.3.3-17. The affected element is an unknown function. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2017-20229. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in MAWK up to 1.3.3-17. It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

MAWK 1.3.3-17 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can craft malicious input that overflows the stack buffer and execute a return-oriented programming chain to spawn a shell with application privileges.

The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2017-20229 since 03/28/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 304211 (Linux Distros Unpatched Vulnerability : CVE-2017-20229), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (42357), Tenable (304211) and EUVD (EUVD-2017-18951). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• MAWK

Version

• 1.3.3-17

CPE 2.3info

• 🔒

CPE 2.2info

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