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ubuntuUbuntuUSN-4886-1
HistoryMar 22, 2021 - 12:00 a.m.

Privoxy vulnerabilities

2021-03-2200:00:00
ubuntu.com
106
privoxy
ubuntu
cgi requests
denial of service
sensitive information
regular expressions
client tags
consume resources
cve-2020-35502
cve-2021-20209
cve-2021-20210
cve-2021-20211
cve-2021-20212
cve-2021-20213
cve-2021-20214
cve-2021-20215
cve-2021-20216
cve-2021-20217
cve-2021-20272
cve-2021-20273
cve-2021-20275
cve-2021-20276

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8.3

Confidence

High

EPSS

0.008

Percentile

82.0%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • privoxy - Privacy enhancing HTTP Proxy

Details

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,
Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-20211)

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 20.04 LTS and
Ubuntu 20.10. (CVE-2021-20214)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchprivoxy< 3.0.28-3ubuntu0.1UNKNOWN
Ubuntu20.10noarchprivoxy-dbgsym< 3.0.28-3ubuntu0.1UNKNOWN
Ubuntu20.04noarchprivoxy< 3.0.28-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchprivoxy-dbgsym< 3.0.28-2ubuntu0.1UNKNOWN
Ubuntu18.04noarchprivoxy< 3.0.26-5ubuntu0.1UNKNOWN
Ubuntu18.04noarchprivoxy-dbgsym< 3.0.26-5ubuntu0.1UNKNOWN
Ubuntu16.04noarchprivoxy< 3.0.24-1ubuntu0.1UNKNOWN
Ubuntu16.04noarchprivoxy-dbgsym< 3.0.24-1ubuntu0.1UNKNOWN
Ubuntu14.04noarchprivoxy< 3.0.21-7+deb8u1ubuntu0.1~esm1UNKNOWN
Ubuntu14.04noarchprivoxy< 3.0.21-7+deb8u1build0.14.04.1UNKNOWN
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openvas
openvas
Ubuntu: Security Advisory (USN-4886-1)
2021-03-23 00:00:00
Debian: Security Advisory (DLA-2548-1)
2021-02-07 00:00:00
Debian: Security Advisory (DLA-2587-1)
2021-03-10 00:00:00
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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Privoxy vulnerabilities (USN-4886-1)
2021-03-23 00:00:00
GLSA-202107-16 : Privoxy: Multiple vulnerabilities
2022-01-24 00:00:00
Debian DLA-2548-1 : privoxy security update
2021-02-08 00:00:00
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privoxy vulnerabilities
2021-03-22 16:55:19
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2021-02-07 00:00:00
privoxy-3.0.32-2.3 on GA media
2024-06-15 00:00:00
gentoo
gentoo
Privoxy: Multiple vulnerabilities
2021-07-08 00:00:00
debian
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[SECURITY] [DLA 2548-1] privoxy security update
2021-02-06 21:47:53
[SECURITY] [DLA 2587-1] privoxy security update
2021-03-09 17:51:46
suse
suse
Security update for privoxy (moderate)
2021-03-18 00:00:00
Security update for privoxy (moderate)
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Security update for privoxy (moderate)
2021-02-12 00:00:00
fedora
fedora
[SECURITY] Fedora 33 Update: privoxy-3.0.31-1.fc33
2021-02-10 01:20:46
[SECURITY] Fedora 32 Update: privoxy-3.0.31-1.fc32
2021-02-10 01:30:27
mageia
mageia
Updated privoxy package fixes security vulnerabilities
2021-02-19 13:27:54
archlinux
archlinux
[ASA-202102-21] privoxy: denial of service
2021-02-07 00:00:00
prion
prion
Design/Logic Flaw
2021-03-25 19:15:00
Design/Logic Flaw
2021-03-25 19:15:00
Design/Logic Flaw
2021-03-09 14:15:00
debiancve
debiancve
CVE-2021-20275
2021-03-09 14:15:12
CVE-2020-35502
2021-03-25 19:15:12
CVE-2021-20214
2021-03-25 19:15:13
veracode
veracode
Denial Of Service (DoS)
2021-03-06 23:06:16
Memory Leak
2021-02-03 16:29:38
Denial Of Service (DoS)
2021-02-03 19:37:30
ubuntucve
ubuntucve
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2020-12-31 00:00:00
CVE-2021-20211
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CVE-2021-20209
2021-02-03 00:00:00
alpinelinux
alpinelinux
CVE-2020-35502
2021-03-25 19:15:00
CVE-2021-20276
2021-03-09 14:15:13
CVE-2021-20209
2021-05-25 20:15:00
cvelist
cvelist
CVE-2020-35502
2021-03-25 18:56:55
CVE-2021-20211
2021-03-25 18:57:08
CVE-2021-20209
2021-05-25 19:34:09
nvd
nvd
CVE-2020-35502
2021-03-25 19:15:12
CVE-2021-20211
2021-03-25 19:15:12
CVE-2021-20214
2021-03-25 19:15:13
cve
cve
CVE-2020-35502
2021-03-25 19:15:12
CVE-2021-20211
2021-03-25 19:15:12
CVE-2021-20209
2021-05-25 20:15:07
redhatcve
redhatcve
CVE-2021-20276
2022-05-20 23:45:58
amazon
amazon
Important: privoxy
2023-04-27 16:19:00

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8.3

Confidence

High

EPSS

0.008

Percentile

82.0%

JSON
Related for USN-4886-1
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