KLA12370
Multiple vulnerabilities in Apache HTTP Server

Обновлено: 02/12/2021
Дата обнаружения
16/09/2021
Уровень угрозы
High
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.
Пораженные продукты

Apache HTTP Server earlier than 2.4.49

Решение

Update to the latest version
Download Apache HTTP Server

Первичный источник обнаружения
Fixed in Apache HTTP Server 2.4.49
Оказываемое влияние
?
OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Связанные продукты
Apache HTTP Server
CVE-IDS
CVE-2021-331935.0Critical
CVE-2021-392757.5Critical
CVE-2021-347985.0Critical
CVE-2021-361605.0Critical
CVE-2021-404386.8High
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