CVE-2021-40491
First published: Wed Sep 01 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/inetutils | <=2:2.0-1<=2:1.9.4-7<=2:1.9.4-7+deb10u1 | |
| GNU inetutils | <2.2 | |
| Debian Debian Linux | =10.0 |
Remedy
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd
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Reference Links
- https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd
- https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
- https://git.hadrons.org/cgit/debian/pkgs/inetutils.git/diff/?id=a78d49d
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
- https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html
Frequently Asked Questions
What is CVE-2021-40491?
CVE-2021-40491 is a vulnerability in the ftp client in GNU Inetutils before version 2.2.
How does CVE-2021-40491 affect GNU Inetutils?
CVE-2021-40491 affects GNU Inetutils versions up to and including 2.0-1, 1.9.4-7, and 1.9.4-7+deb10u1.
What is the severity of CVE-2021-40491?
CVE-2021-40491 has a severity score of 6.5 (medium).
How can I fix CVE-2021-40491?
There is currently no known fix for CVE-2021-40491. It is recommended to follow the provided references for any updates or patches.
Is there any additional information available for CVE-2021-40491?
Yes, you can find additional information about CVE-2021-40491 in the provided references.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/remedy
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/author
- agent/tags
- agent/event
- agent/description
- collector/debian-bugs
- source/Debian
- alias/CVE-2021-40491
- agent/software-canonical-lookup
- vendor/gnu
- canonical/gnu inetutils
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- package-manager/debian