CVE Catalog

CVE-2019-25679

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

24th percentile - higher than 24% of all known CVEs

Summary

RealTerm Serial Terminal 2.0.0.70 contains a SEH buffer overflow vulnerability in the Echo Port tab. A local attacker can supply a malicious payload that, when pasted into the Port field and the Change button is clicked, triggers arbitrary code execution.

Risk Assessment

An attacker with local access can take control of the system by executing arbitrary code in the context of the application.

Recommendation

Update RealTerm to the latest version or apply a security patch. Restrict local access to the system.

Related vulnerabilities

Original NVD description (English source)

RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.

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