ID:1999 - Exploit for Use-after-free in Apache HTTP Server - CVE-2017-9798

 
Main Vulnerability Database Exploits ID:1999 - Exploit for Use-after-free in Apache HTTP Server - CVE-2017-9798

ID:1999 - Exploit for Use-after-free in Apache HTTP Server - CVE-2017-9798

Published: March 18, 2020


Vulnerability identifier: #VU8504
Vulnerability risk: Low
CVE-ID: CVE-2017-9798
CWE-ID: CWE-416
Exploitation vector: Remote access
Vulnerable software:
Apache HTTP Server

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to use-after-free error when processing HTTP OPTIONS requests in server/core.c, when limits are configured in .htaccess or httpd.conf configuration files. A remote unauthenticated attacker can read portions of memory through HTTP OPTIONS requests and gain access to potentially sensitive data.

The vulnerability is dubbed Optionsbleed.


Remediation