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ubuntuUbuntuUSN-6370-1
HistorySep 14, 2023 - 12:00 a.m.

ModSecurity vulnerabilities

2023-09-1400:00:00
ubuntu.com
48
modsecurity
vulnerabilities
ubuntu 22.04 lts
ubuntu 20.04 lts
ubuntu 18.04 esm
json
denial of service
ubuntu 16.04 esm
http requests
bypass
multipart
buffer overflow
firewall failure
file uploads
security
apache

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • modsecurity-apache - Tighten web applications security for Apache

Details

It was discovered that ModSecurity incorrectly handled certain nested JSON
objects. An attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS
and Ubuntu 20.04 LTS. (CVE-2021-42717)

It was discovered that ModSecurity incorrectly handled certain HTTP
multipart requests. A remote attacker could possibly use this issue
to bypass ModSecurity restrictions. (CVE-2022-48279)

It was discovered that ModSecurity incorrectly handled certain file
uploads. A remote attacker could possibly use this issue to cause a
buffer overflow and a firewall failure. This issue only affected
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-24021)

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%