CVE-2021-20209
published 2021-05-25CVE-2021-20209: A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.90%
77.4th percentile
A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | privoxy | < privoxy 3.0.29-1 (bookworm) | privoxy 3.0.29-1 (bookworm) |
| privoxy | privoxy | < 3.0.29 | 3.0.29 |
| privoxy | privoxy | — | — |
| privoxy | privoxy | >= 0 < 3.0.29-1 | 3.0.29-1 |
| privoxy | privoxy | >= 0 < 3.0.29-1 | 3.0.29-1 |
| privoxy | privoxy | >= 0 < 3.0.29-1 | 3.0.29-1 |
| privoxy | privoxy | >= 0 < 3.0.29-1 | 3.0.29-1 |
| privoxy | privoxy | >= 0 < 3.0.24-1ubuntu0.1 | 3.0.24-1ubuntu0.1 |
| privoxy | privoxy | >= 0 < 3.0.26-5ubuntu0.1 | 3.0.26-5ubuntu0.1 |
| privoxy | privoxy | >= 0 < 3.0.28-2ubuntu0.1 | 3.0.28-2ubuntu0.1 |
| privoxy | privoxy | >= 0 < 3.0.21-7+deb8u1ubuntu0.1~esm1 | 3.0.21-7+deb8u1ubuntu0.1~esm1 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_ubuntu7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-qf5g-m559-vx7x: A memory leak vulnerability was found in Privoxy before 3
ghsa_unreviewed·2022-05-24
CVE-2021-20209 [HIGH] CWE-401 GHSA-qf5g-m559-vx7x: A memory leak vulnerability was found in Privoxy before 3
A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
OSV
CVE-2021-20209: A memory leak vulnerability was found in Privoxy before 3
osv·2021-05-25·CVSS 7.5
CVE-2021-20209 [HIGH] CVE-2021-20209: A memory leak vulnerability was found in Privoxy before 3
A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
OSV
privoxy vulnerabilities
osv·2021-03-22·CVSS 7.5
CVE-2020-35502 [HIGH] privoxy vulnerabilities
privoxy vulnerabilities
It was discovered that Privoxy incorrectly handled CGI requests. An attacker
could possibly use this issue to cause a denial of service or obtain sensitive
information. (CVE-2020-35502, CVE-2021-20209, CVE-2021-20210,
CVE-2021-20213, CVE-2021-20215, CVE-2021-20216, CVE-2021-20217,
CVE-2021-20272, CVE-2021-20273, CVE-2021-20275)
It was discovered that Privoxy incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial of
service or obtain sensitive information. (CVE-2021-20212, CVE-2021-20276)
It was discovered that Privoxy incorrectly handled client tags. An attacker
could possibly use this issue to cause Privoxy to consume resources, resulting
in a denial of service. This issue only affected Ubuntu 18.04 LTS,
Ubun
Ubuntu
Privoxy vulnerabilities
vendor_ubuntu·2021-03-22·CVSS 7.5
CVE-2021-20213 [HIGH] Privoxy vulnerabilities
Title: Privoxy vulnerabilities
Summary: Several security issues were fixed in Privoxy.
It was discovered that Privoxy incorrectly handled CGI requests. An attacker
could possibly use this issue to cause a denial of service or obtain sensitive
information. (CVE-2020-35502, CVE-2021-20209, CVE-2021-20210,
CVE-2021-20213, CVE-2021-20215, CVE-2021-20216, CVE-2021-20217,
CVE-2021-20272, CVE-2021-20273, CVE-2021-20275)
It was discovered that Privoxy incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial of
service or obtain sensitive information. (CVE-2021-20212, CVE-2021-20276)
It was discovered that Privoxy incorrectly handled client tags. An attacker
could possibly use this issue to cause Privoxy to consume resources, resulting
in a de
Debian
CVE-2021-20209: privoxy - A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-statu...
vendor_debian·2021·CVSS 7.5
CVE-2021-20209 [HIGH] CVE-2021-20209: privoxy - A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-statu...
A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
Scope: local
bookworm: resolved (fixed in 3.0.29-1)
bullseye: resolved (fixed in 3.0.29-1)
forky: resolved (fixed in 3.0.29-1)
sid: resolved (fixed in 3.0.29-1)
trixie: resolved (fixed in 3.0.29-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.redhat.com/show_bug.cgi?id=1928726https://security.gentoo.org/glsa/202107-16https://www.privoxy.org/3.0.29/user-manual/whatsnew.htmlhttps://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=c62254a686https://bugzilla.redhat.com/show_bug.cgi?id=1928726https://security.gentoo.org/glsa/202107-16https://www.privoxy.org/3.0.29/user-manual/whatsnew.htmlhttps://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=c62254a686
2021-05-25
Published