CVE Catalog

CVE-2017-6658

High
Published: Translated: NVD NIST

Summary

Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF.

Risk Assessment

Exploitation of this vulnerability may lead to unauthorized access to memory, jeopardizing the integrity and confidentiality of the data processed by the system.

Recommendation

It is recommended to upgrade to Snort 3.0 after build 233 to eliminate the buffer overread issue by increasing the array size.

Related vulnerabilities

Original NVD description (English source)

Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.

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