Vulnerability Name:

CVE-2023-25690 (CCN-249287)

Assigned:2023-03-07
Published:2023-03-07
Updated:2023-04-25
Summary:Apache HTTP Server is vulnerable to HTTP request splitting attacks, caused by an error when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch. A remote attacker could exploit this vulnerability to bypass access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
9.8 Critical (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2023-25690

Source: XF
Type: UNKNOWN
apache-cve202325690-request-splitting(249287)

Source: CCN
Type: Apache Web site
HTTP request splitting with mod_rewrite and mod_proxy (CVE-2023-25690)

Source: security@apache.org
Type: Vendor Advisory
security@apache.org

Source: security@apache.org
Type: UNKNOWN
security@apache.org

Source: CCN
Type: IBM Security Bulletin 6963650 (HTTP Server)
IBM HTTP Server is vulnerable to HTTP request splitting due to the included Apache HTTP Server (CVE-2023-25690)

Source: CCN
Type: IBM Security Bulletin 6986329 (Cloud Pak for Watson AIOps)
Multiple Vulnerabilities in CloudPak for Watson AIOPs

Source: CCN
Type: IBM Security Bulletin 6987085 (Cloud Pak for Business Automation)
Security vulnerabilities are addressed with IBM Cloud Pak for Business Automation iFixes for April 2023

Source: CCN
Type: IBM Security Bulletin 6999241 (QRadar SIEM)
Apache HTTP Server as used by IBM QRadar SIEM is vulnerable to HTTP request splitting attacks (CVE-2023-25690)

Source: CCN
Type: IBM Security Bulletin 7001867 (Cloud Pak for Security)
IBM Cloud Pak for Security includes components with multiple known vulnerabilities

Source: CCN
Type: IBM Security Bulletin 7004661 (Cloud Object Storage System)
Vulnerabilities with OpenSSL, Apache HTTP Server, Python affect IBM Cloud Object Storage Systems (June 2023v1)

Source: CCN
Type: IBM Security Bulletin 7005491 (Power HMC)
Vulnerability in Apache HTTP Server ( CVE-2023-25690 ) affects Power HMC

Source: CCN
Type: IBM Security Bulletin 7006449 (DS8900F)
Vulnerabilities have been identified in OpenSSL, Apache HTTP Server and other system libraries shipped with the DS8000 Hardware Management Console (HMC)

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:apache:http_server:2.4.17:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:2.4.48:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:2.4.50:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:2.4.51:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:2.4.52:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:2.4.53:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:http_server:8.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:18.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:18.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:19.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:19.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:20.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:20.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.2:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:22.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_security:1.10.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_business_automation:22.0.2:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7434
    P
    		apache2-2.4.51-150400.6.11.1 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20231593
    P
    		RHSA-2023:1593: httpd security update (Important)
    2023-04-04
    BACK
    apache http server 2.4.17
    apache http server 2.4.48
    apache http server 2.4.50
    apache http server 2.4.51
    apache http server 2.4.52
    apache http server 2.4.53
    ibm http server 8.5
    ibm cloud pak for business automation 18.0.0
    ibm cloud pak for business automation 18.0.2
    ibm cloud pak for business automation 19.0.1
    ibm cloud pak for business automation 19.0.3
    ibm cloud pak for business automation 20.0.1
    ibm cloud pak for business automation 20.0.3
    ibm cloud pak for business automation 21.0.1 -
    ibm cloud pak for business automation 21.0.2 -
    ibm cloud pak for business automation 21.0.3 -
    ibm cloud pak for business automation 22.0.1 -
    ibm cloud pak for security 1.10.0.0
    ibm cloud pak for business automation 22.0.2 -