Vulnerability Monitor

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CVE-2021-40491

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.

Published

2021-09-03T02:15:06.403

Last Modified

2024-11-21T06:24:14.927

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-345

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	inetutils	< 2.2	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 Third Party Advisory ([email protected])
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html Mailing List, Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html Mailing List, Vendor Advisory ([email protected])
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)