CVE-2016-20047
HIGHEKG Gadu 1.9 Local Buffer Overflow via Username Parameter
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2016-20047. PoCs published by Juan Sacco.
AI-analyzed exploit summary This exploit demonstrates a local buffer overflow in EKG Gadu by overflowing the USERNAME field with a NOP sled, shellcode, and a controlled EIP to achieve arbitrary code execution. The shellcode spawns a shell, and the exploit is tested on Kali Linux 2.0.
Description
EKG Gadu 1.9~pre+r2855-3+b1 contains a local buffer overflow vulnerability in the username handling that allows local attackers to execute arbitrary code by supplying an oversized username string. Attackers can trigger the overflow in the strlcpy function by passing a crafted buffer exceeding 258 bytes to overwrite the instruction pointer and execute shellcode with user privileges.
Exploits (1)
This exploit demonstrates a local buffer overflow in EKG Gadu by overflowing the USERNAME field with a NOP sled, shellcode, and a controlled EIP to achieve arbitrary code execution. The shellcode spawns a shell, and the exploit is tested on Kali Linux 2.0.
References (3)
Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H