CVE Catalog

CVE-2017-6419

High
Published: Translated: NVD NIST

Summary

In the libmspack library version 0.5alpha, used in ClamAV 0.99.2, there is a vulnerability that allows remote attackers to cause a denial of service through a heap-based buffer overflow, leading to application crashes. The attack can be executed using a crafted CHM file.

Risk Assessment

Organizations may experience service interruptions and potential security issues if an attacker exploits this vulnerability. This could lead to loss of application and data availability.

Recommendation

It is recommended to update libmspack to the latest version to mitigate this vulnerability. Additionally, access to applications processing CHM files should be monitored and restricted.

Related vulnerabilities

Original NVD description (English source)

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS