CVE-2018-25423
MediumCVSS 6.2Exploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
A buffer overflow vulnerability in Arm Whois 3.11 allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service.
Risk Assessment
The organization is at risk of local DoS attacks that can disrupt the Arm Whois tool, leading to service outages.
Recommendation
Update Arm Whois to a version later than 3.11 or apply available security patches.
Other vulnerabilities in Arm Whois
See all- CVE-2018-25427Critical
Arm Whois 3.11 has a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution.
- CVE-2018-25432High
Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting the structured exception handler. Attackers can craft a malicious input file with a 672-byte offset to overwrite nSEH and SEH pointers.
Original NVD description (English source)
Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.

