CVE-2016-20042 PUBLISHED

TRN 3.6-23 Stack Buffer Overflow Local Code Execution

Assigner: VulnCheck
Reserved: 28.03.2026 Published: 28.03.2026 Updated: 28.03.2026

TRN 3.6-23 contains a stack buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the application. Attackers can craft a malicious command-line argument with 156 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.6

Product Status

Vendor trn
Product Threaded USENET News Reader
Versions
  • Version 3.6-23 is affected

Credits

  • Juan Sacco - http://www.exploitpack.com - jsacco@exploitpack.com finder

References

Problem Types

  • Out-of-bounds Write CWE