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CVE-2016-20047
HIGH8.4
Descricao
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.
Detalhes CVE
Pontuacao CVSS v3.18.4
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vetor de ataqueLOCAL
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioNONE
Publicado3/28/2026
Ultima modificacao3/30/2026
Fontenvd
Avistamentos honeypot0
Fraquezas (CWE)
CWE-787
Referencias
http://ekg.chmurka.net/(disclosure@vulncheck.com)
https://www.exploit-db.com/exploits/40392(disclosure@vulncheck.com)
https://www.vulncheck.com/advisories/ekg-gadu-local-buffer-overflow-via-username-parameter(disclosure@vulncheck.com)
Correlacoes IOC
Sem correlacoes registradas
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