NULL pointer dereference in GoAhead and Appweb - CVE-2018-15505
Published: July 11, 2019
Vulnerability identifier: #VU19147
CSH Severity: Medium
CVSS v4.0: 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-2018-15505
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: EmbedThis
Affected software:
GoAhead
Appweb
GoAhead
Appweb
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference error, as demonstrated by the lack of a trailing ']' character in an IPv6 address. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2018-15505
Install update from vendor's website.