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kasperskyKaspersky LabKLA12554
HistoryJun 08, 2022 - 12:00 a.m.

KLA12554 Multiple vulnerabilities in Apache HTTP Server

2022-06-0800:00:00
Kaspersky Lab
threats.kaspersky.com
24

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

8.2 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.348 Low

EPSS

Percentile

97.1%

Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, obtain sensitive information.

Below is a complete list of vulnerabilities:

  1. Out of bounds read vulnerability in ap_rwrite can be exploited to cause denial of service.
  2. HTTP request smuggling vulnerability in mod_proxy_ajp can be exploited to bypass security restrictions.
  3. Security vulnerability in mod_proxy can be exploited to bypass security restrictions.
  4. Out of bounds read vulnerability in mod_isapi can be exploited to cause denial of service.
  5. Information disclosure vulnerability in mod_lua can be exploited to obtain sensitive information.
  6. Denial of service vulnerability in mod_sed can be exploited to cause denial of service.
  7. Out of bounds read vulnerability in ap_strcmp_match can be exploited to cause denial of service.
  8. Denial of service vulnerability in mod_lua r:parsebody can be exploited to cause denial of service.

Original advisories

Fixed in Apache HTTP Server 2.4.54

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-2022-28614 high

CVE-2022-26377 critical

CVE-2022-31813 critical

CVE-2022-28330 high

CVE-2022-30556 critical

CVE-2022-30522 critical

CVE-2022-28615 critical

CVE-2022-29404 critical

Solution

Update to the latest version

Download Apache HTTP Server

Impacts

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • SB

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

  • SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

  • Apache HTTP Server 2.4.x earlier than 2.4.54

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

8.2 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.348 Low

EPSS

Percentile

97.1%