CVE-2018-25432
HighCVSS 8.4Exploitation Probability (EPSS)
Low risk6th percentile - higher than 6% of all known CVEs
Summary
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.
Risk Assessment
A local attacker can gain full control of the system by executing arbitrary code in the context of the user running the Whois tool.
Recommendation
Update Arm Whois to a version newer than 3.11 or apply a patch that fixes the buffer overflow.
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-2018-25423Medium
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.
Original NVD description (English source)
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 the nSEH and SEH pointers, enabling code execution through exception handler hijacking.