SB2022042117 - Denial of service in IBM Security SiteProtector System

Description

This security bulletin contains information about 1 security vulnerability.

1) Buffer overflow (CVE-ID: CVE-2021-39275)

The vulnerability allows a remote attacker to execute arbitrary code on the target system or perform a denial of service attack.

The vulnerability exists due to a boundary error within the ap_escape_quotes()  function. A remote attacker can send a specially crafted request to the web server, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that the Apache module passes untrusted data to the affected function.

According to vendor, No included modules pass untrusted data to these functions

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-siteprotector-system-is-affected-by-apache-http-server-vulnerability-cve-2021-39275/"
• https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-siteprotector-system-is-affected-by-apache-http-server-vulnerability-cve-2021-39275/</a></p><p>
• https://www.ibm.com/support/pages/node/6569911</p><p><br></p>