CVE-2021-20273: Input Validation
First published: Mon Mar 08 2021(Updated: )
A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Privoxy Privoxy | <3.0.32 | |
| Debian Debian Linux | =9.0 | |
| redhat/privoxy | <3.0.32 | 3.0.32 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1936658
- https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html
- https://security.gentoo.org/glsa/202107-16
- https://www.privoxy.org/announce.txt
- https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=e711c505c48
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1935974
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-20273.
What is the severity of CVE-2021-20273?
The severity of CVE-2021-20273 is high (7.5).
Which software versions are affected by CVE-2021-20273?
Privoxy versions up to (but not including) 3.0.32 and Debian Linux 9.0 are affected by CVE-2021-20273.
How can a crash occur in Privoy if toggled off?
A crash can occur in Privoxy if a crafted CGI request is sent while Privoxy is toggled off.
Are there any references available for CVE-2021-20273?
Yes, you can find references for CVE-2021-20273 [here](https://bugzilla.redhat.com/show_bug.cgi?id=1936658), [here](https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html), and [here](https://security.gentoo.org/glsa/202107-16).
- agent/references
- agent/type
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/severity
- agent/remedy
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/tags
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-20273
- agent/software-canonical-lookup
- vendor/privoxy
- canonical/privoxy privoxy
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- package-manager/redhat