CVE-2019-18860

squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.

Squid versiones anteriores a 4.9, cuando determinados navegadores web son usados, maneja inapropiadamente HTML en el parámetro host (también se conoce como hostname) en el archivo cachemgr.cgi.

A flaw was found in squid. Squid, when certain web browsers are used, mishandles HTML in the host parameter to cachemgr.cgi which could result in squid behaving in unsecure way.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-11 CVE Reserved
2020-03-20 CVE Published
2024-07-14 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (8)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/squid-cache/squid/pull/504	2023-01-24
https://github.com/squid-cache/squid/pull/505	2023-01-24

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	2023-01-24
https://usn.ubuntu.com/4356-1	2023-01-24
https://www.debian.org/security/2020/dsa-4732	2023-01-24
https://access.redhat.com/security/cve/CVE-2019-18860	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1817121	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Squid-cache Search vendor "Squid-cache"		Squid Search vendor "Squid-cache" for product "Squid"				< 4.9 Search vendor "Squid-cache" for product "Squid" and version " < 4.9"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected