QID 87456

QID 87456: IBM HTTP Server Multiple Vulnerabilities(6467651,869064)

IBM HTTP Server powered by Apache is based on the Apache HTTP Server available for multiple platforms.

CVE-2021-26691: Apache HTTP Server is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the mod_session.
CVE-2021-26690:Apache HTTP Server is vulnerable to a denial of service, caused by a NULL pointer dereference.
CVE-2018-17199:Apache HTTP Server could allow a remote attacker to bypass security restrictions, caused by checking the session expiry time before decoding the session by mod_session.

Affected Versions:
IBM HTTP Server V9.0.0.0 through 9.0.0.10
QID Detection Logic (Authenticated):
Operating System: Windows
The QID checks the key "HKLM\SYSTEM\CurrentControlSet\Services" to see if IBM HTTP Server is installed on the host or not.

QID Detection Logic (Authenticated):
Operating System: Linux
The QID uses netstat command to extract install directory for IBM HTTP Server. "version.signature" is used to verify the version.

QID Detection Logic (Un-Authenticated):
This checks for vulnerable version of IBM HTTP server.

An attacker could exploit this vulnerability to ignore session expiry time and gain access to the application.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    The vendor has released advisories and updates to fix these vulnerabilities. Refer to the following link for further details: 6467651
    Vendor References

    CVEs related to QID 87456

    CVE-2018-17199 | CVE-2021-26690 | CVE-2021-26691 |
    Software Advisories
    Advisory ID Software Component Link
    6467651 URL Logo www.ibm.com/support/pages/node/6467651
    869064 URL Logo www.ibm.com/support/pages/node/869064
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].