Plattform
linux
Komponente
mawk
Behoben in
1.3.4
CVE-2017-20229 represents a critical stack-based buffer overflow vulnerability discovered in MAWK versions 1.3.3-17 and earlier. This flaw allows attackers to execute arbitrary code by crafting malicious input that overflows the stack buffer, potentially leading to complete system compromise. Affected systems include those running MAWK 1.3.3-17 and prior. Mitigation involves upgrading to a patched version or implementing robust input validation techniques.
The impact of CVE-2017-20229 is severe. An attacker can exploit this buffer overflow to execute arbitrary code with the privileges of the MAWK process. This could allow them to gain control of the affected system, steal sensitive data, install malware, or launch further attacks. The vulnerability's exploitation often involves return-oriented programming (ROP) chains, where attackers leverage existing code within the application to achieve their goals. Successful exploitation could lead to a complete compromise of the system running MAWK, particularly if the application is running with elevated privileges. While no specific real-world exploits have been publicly linked to this CVE, the potential for remote code execution makes it a high-priority concern.
CVE-2017-20229 has a severity rating of CRITICAL (CVSS 9.8). As of the publication date (2026-03-28), there is no indication of active exploitation campaigns targeting this vulnerability. Public proof-of-concept (POC) exploits may exist or emerge, increasing the risk. The vulnerability is not currently listed on CISA KEV, but its critical severity warrants close monitoring. The exploitation pattern resembles other stack-based buffer overflow vulnerabilities, suggesting potential for automated scanning and exploitation.
Exploit-Status
EPSS
0.07% (22% Perzentil)
CISA SSVC
The primary mitigation for CVE-2017-20229 is to upgrade to a patched version of MAWK that addresses the buffer overflow vulnerability. Unfortunately, a specific fixed version is not provided in the CVE data. If upgrading is not immediately feasible, consider implementing input validation to sanitize user-supplied input before it is processed by MAWK. This can help prevent the overflow from occurring. Web application firewalls (WAFs) configured to detect and block buffer overflow attempts could also provide a temporary layer of protection. Monitor system logs for any unusual activity that might indicate an attempted exploitation. After implementing mitigation, confirm the fix by attempting to reproduce the vulnerability with known malicious input and verifying that it is no longer exploitable.
Actualizar MAWK a una versión posterior a la 1.3.3-17. Esto puede requerir actualizar el sistema operativo o instalar una versión parcheada de MAWK desde una fuente confiable.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
No, there is currently no official patch available for this vulnerability.
Implement strict input controls, monitor the system, and consider network isolation.
ROP is a technique that allows attackers to execute code using snippets of existing code in memory.
The vulnerability has a CVSS score of 9.8, indicating a critical risk.
Monitor the system for unusual activity, such as unknown processes or suspicious network traffic.
CVSS-Vektor
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