#VU15896 Cross-site scripting in Squid - CVE-2018-19131
Published: November 14, 2018
Vulnerability identifier: #VU15896
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-19131
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Squid
Squid
Software vendor:
Squid-cache.org
Squid-cache.org
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when processing a specially crafted X.509 certificate during HTTP(S) error page generation for certificate errors. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.