CVE-2019-12523
CRITICAL
9,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
MEDIUM
6,4
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: none
Description
AI Translation Available
An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0056
Percentile
0,7th
Updated
EPSS Score Trend (Last 90 Days)
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Squid by Squid-Cache
Version Range Affected
From
4.0
(inclusive)
To
4.8
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Leap by Opensuse
CPE Identifier
View Detailed Analysis
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Squid by Squid-Cache
Version Range Affected
From
3.0
(inclusive)
To
3.5.28
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html
https://bugzilla.suse.com/show_bug.cgi?id=1156329
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://usn.ubuntu.com/4213-1/
https://usn.ubuntu.com/4446-1/
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html
https://bugzilla.suse.com/show_bug.cgi?id=1156329
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://usn.ubuntu.com/4213-1/
https://usn.ubuntu.com/4446-1/
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt