#VU7481 Null pointer dereference in Gnu - CVE-2017-7507
Published: July 12, 2017
Vulnerability identifier: #VU7481
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7507
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Gnu
Gnu
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to NULL pointer dereference while decoding a status response TLS extension with valid contents. A remote attacker can send specially crafted status_request extension in a ClientHello message to cause the GnuTLS server application to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to NULL pointer dereference while decoding a status response TLS extension with valid contents. A remote attacker can send specially crafted status_request extension in a ClientHello message to cause the GnuTLS server application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Update to version 3.5.13 or later.