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Advisories

Ettercap through 0.8.5.1 Heap Out-of-Bounds Read via SOCKS5 Dissector

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Severity
high
Date
Affecting

  • ettercap <= 0.8.5.1

CWE
  • CWE-125 Out-of-bounds Read
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
stilwel, Emilio Escobar
Description
Ettercap through 0.8.5.1 contains a heap out-of-bounds read vulnerability in dissector_socks() in src/dissectors/ec_socks.c that allows network-adjacent attackers to read heap memory via unchecked SOCKS5 username/password lengths. Attackers can send a crafted SOCKS5 authentication packet observed by Ettercap to read up to 255 bytes past the heap buffer, disclosing memory printed and logged as captured credentials.

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