Medium severity · published Mar 20, 2020
CVE-2019-18860
Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi
6.1
CVSS
5.5%
EPSS
No
On KEV
Description
Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
SQ
Squid · Squid-cache
before 4.9 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 19.10; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18860
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18860
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html
Patch
https://github.com/squid-cache/squid/pull/504
Patch
https://github.com/squid-cache/squid/pull/505
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
Third Party Advisory
https://usn.ubuntu.com/4356-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4732
More from Ubuntu Linux
9.8
CVE-2020-11651
SaltStack Salt Authentication Bypass Vulnerability
9.8
CVE-2020-7247
OpenSMTPD Remote Code Execution Vulnerability
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2019-16928
Exim Out-of-bounds Write Vulnerability
9.8
CVE-2019-10149
Exim Mail Transfer Agent (MTA) Improper Input Validation