Vulnerability CVE-2021-40491
Published: 2021-09-03

Description:
The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.

Type:

CWE-345

 (Insufficient Verification of Data Authenticity)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
GNU -> Inetutils 

 References:
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
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