Advisories

zFTP Client 20061220+dfsg3-4.1 Local Buffer Overflow

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severity
high
date
Affecting
  • zFTP Client <= 20061220+dfsg3-4.1

CWE
  • CWE-787 Out-of-bounds Write
CVSS
8.6
CVSS V4 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
Credit
Juan Sacco
Description
zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized NAME value exceeding the 80-byte buffer allocated in strcpy_chk to overwrite the instruction pointer and execute shellcode with user privileges.

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