Multiple vulnerabilities in Apache HTTP Server

Description

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

Below is a complete list of vulnerabilities:

1. NULL pointer dereference or server side request forgery (SSRF) vulnerability can be exploited remotely via special crafted URL to cause denial of service or bypass security restrictions.
2. Buffer overflow vulnerability in mod_lua can be exploited remotely via special crafted webpage to cause denial of service.

Original advisories

• Fixed in Apache HTTP Server 2.4.52

Exploitation

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

Related products

• Apache-HTTP-Server

CVE list

• CVE-2021-44224
  critical
• CVE-2021-44790
  critical

Read more

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