#VU27677 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Squid - CVE-2019-18860

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Main Vulnerability Database Vulnerabilities #VU27677

#VU27677 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Squid - CVE-2019-18860

Published: May 11, 2020


Vulnerability identifier: #VU27677
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-18860
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Squid
Software vendor:
Squid-cache.org

Description

The vulnerability allows a remote attacker to perform cache poisoning attack.

The vulnerability exists due to improper input validation of HTML code within the hostname parameter in cachemgr.cgi. A remote attacker can send a specially crated HTTP request and poison the cache.


Remediation

Install updates from vendor's website.

External links