NULL pointer dereference in GoAhead and Appweb - CVE-2018-15504
Published: July 11, 2019
Vulnerability identifier: #VU19146
CSH Severity: 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-2018-15504
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GoAhead
Appweb
GoAhead
Appweb
Software vendor:
EmbedThis
EmbedThis
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.