#VU7518 Use-after-free error in Apache HTTP Server - CVE-2017-9789

 

#VU7518 Use-after-free error in Apache HTTP Server - CVE-2017-9789

Published: July 14, 2017 / Updated: July 14, 2017


Vulnerability identifier: #VU7518
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-9789
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Apache HTTP Server
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the targeted system.

The weakness exists due to use-after-free condition in the mod_http2 function. A remote attacker can trigger memory corruption and cause the server to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Update to version 2.4.27.

External links