Multiple vulnerabilities in Apache HTTP Server

Описание

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

Below is a complete list of vulnerabilities:

1. Security bypass vulnerability in mod_proxy can be exploited via special crafted HTTP/2 method to bypass security restrictions.
2. Buffer overflow vulnerability in ap_escape_quotes can be exploited to spoof user interface or obtain sensitive information.
3. NULL pointer dereference in httpd core can be exploited to cause denial of service.
4. Out of bounds read vulnerability in mod_proxy_uwsgi can be exploited vis special crafted request to cause denial of service.
5. Security bypass vulnerability in mod_proxy can be exploited remotely via special crafted request to cause denial of service.

Первичный источник обнаружения

• Fixed in Apache HTTP Server 2.4.49
  

Эксплуатация

Public exploits exist for this vulnerability.

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

Связанные продукты

• Apache-HTTP-Server

Список CVE

• CVE-2021-33193
  warning
• CVE-2021-39275
  critical
• CVE-2021-34798
  warning
• CVE-2021-36160
  warning
• CVE-2021-40438
  high

Смотрите также

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