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kasperskyKaspersky LabKLA48513
HistoryMar 07, 2023 - 12:00 a.m.

KLA48513 Multiple vulnerabilities in Apache HTTP Server

2023-03-0700:00:00
Kaspersky Lab
threats.kaspersky.com
79
apache http server
http request smuggling
mod_rewrite
mod_proxy
mod_proxy_uwsgi
security restrictions
exploits
malware
update
cve-2023-25690
cve-2023-27522

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.019 Low

EPSS

Percentile

88.6%

Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to bypass security restrictions.

Below is a complete list of vulnerabilities:

  1. HTTP request smuggling vulnerability in mod_rewrite and mod_proxy can be exploited to bypass security restrictions.
  2. HTTP request smuggling vulnerability in mod_proxy_uwsgi can be exploited to bypass security restrictions.

Original advisories

Fixed in Apache HTTP Server 2.4.56

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Apache-HTTP-Server

CVE list

CVE-2023-25690 critical

CVE-2023-27522 critical

Solution

Update to the latest version

Download Apache HTTP Server

Impacts

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

  • Apache HTTP Server 2.4.x earlier thanΒ 2.4.56

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.019 Low

EPSS

Percentile

88.6%