CVE-2021-40491
Published: 3 September 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
inetutils Launchpad, Ubuntu, Debian |
bionic |
Released
(2:1.9.4-3ubuntu0.1+esm1)
Available with Ubuntu Pro |
focal |
Released
(2:1.9.4-11ubuntu0.2+esm1)
Available with Ubuntu Pro |
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(2:2.2-1)
|
|
kinetic |
Not vulnerable
(2:2.2-1)
|
|
lunar |
Not vulnerable
(2:2.2-1)
|
|
mantic |
Not vulnerable
(2:2.2-1)
|
|
noble |
Not vulnerable
(2:2.2-1)
|
|
trusty |
Released
(2:1.9.2-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(2:2.2-1)
|
|
xenial |
Released
(2:1.9.4-1ubuntu0.1~esm2)
Available with Ubuntu Pro |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
- https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
- https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
- https://ubuntu.com/security/notices/USN-5177-1
- https://www.cve.org/CVERecord?id=CVE-2021-40491
- NVD
- Launchpad
- Debian