CVE-2019-18678
MEDIUM
5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
MEDIUM
5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: partial
Availability: none
Description
AI Translation Available
An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.
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
0,0996
Percentile
0,9th
Updated
EPSS Score Trend (Last 90 Days)
444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
IncompleteCommon Consequences
Security Scopes Affected:
Integrity
Non-Repudiation
Access Control
Potential Impacts:
Unexpected State
Hide Activities
Bypass Protection Mechanism
Applicable Platforms
Technologies:
Web Based, Web Server
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
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
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
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
https://bugzilla.suse.com/show_bug.cgi?id=1156323
https://github.com/squid-cache/squid/pull/445
https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html
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://security.gentoo.org/glsa/202003-34
https://usn.ubuntu.com/4213-1/
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_10.txt
http://www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c7…
https://bugzilla.suse.com/show_bug.cgi?id=1156323
https://github.com/squid-cache/squid/pull/445
https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html
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://security.gentoo.org/glsa/202003-34
https://usn.ubuntu.com/4213-1/
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_10.txt
http://www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c7…