CyberRota Analysis
AI-GeneratedThe vulnerability arises from improper IP address comparison in access control mechanisms on little-endian systems, leading to potential misconfigurations where allowed IPs may be denied access while denied IPs may gain access. This flaw can significantly compromise network security by allowing unauthorized access to sensitive resources. Organizations utilizing affected products, particularly those relying on IP range-based access controls, should prioritize remediation to mitigate the risk of unauthorized access.
Original NVD Description
When ranges are used for access control (i.e. of the form 1.2.3.4-1.2.3.25), because NSD wrongly compares the IP address with the range on little endian systems, IPs that were meant to be allowed may be denied, and, IPs that were meant to be denied access could be allowed. An IPv4 address is compared with IPv4 ranges as unsigned 32 bit numbers directly with the endianness of the host, but the values to compare are in network byte order (big-endian). With IPv6 addresses the comparison is done in 4 times a unsigned 32 bit number comparison, again with the endianness of the host where all values are actually in network bye order.
Related CVEs
Other vulnerabilities affecting the same vendor(s)