CVE-2019-18676

Published: Nov 26, 2019 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2019-8392 Aliases: GSD-2019-18676
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.

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
0,0137
Percentile
0,8th
Updated

EPSS Score Trend (Last 90 Days)

787

Out-of-bounds Write

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 18.04
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

Product Information
Vendor Fedoraproject
Product Fedora
Version 31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

Product Information
Vendor Fedoraproject
Product Fedora
Version 30
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Squid by Squid-Cache

Product Information
Vendor Squid-Cache
Product Squid
Version Range Affected
From 4.0 (inclusive)
To 4.8 (inclusive)
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 19.10
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 19.04
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Squid by Squid-Cache

Product Information
Vendor Squid-Cache
Product Squid
Version Range Affected
From 3.0 (inclusive)
To 3.5.28 (inclusive)
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.suse.com/show_bug.cgi?id=1156329
Issue Tracking Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1156329
https://github.com/squid-cache/squid/pull/275
Patch Third Party Advisory
https://github.com/squid-cache/squid/pull/275
https://lists.debian.org/debian-lts-announce/2020/07/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://usn.ubuntu.com/4213-1/
Third Party Advisory
https://usn.ubuntu.com/4213-1/
https://usn.ubuntu.com/4446-1/
Third Party Advisory
https://usn.ubuntu.com/4446-1/
https://www.debian.org/security/2020/dsa-4682
Third Party Advisory
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt
Third Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt
http://www.squid-cache.org/Versions/v4/changesets/squid-4-f…
Patch
http://www.squid-cache.org/Versions/v4/changesets/squid-4-fbbdf75efd7a5cc244b48…
https://bugzilla.suse.com/show_bug.cgi?id=1156329
Issue Tracking Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1156329
https://github.com/squid-cache/squid/pull/275
Patch Third Party Advisory
https://github.com/squid-cache/squid/pull/275
https://lists.debian.org/debian-lts-announce/2020/07/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://usn.ubuntu.com/4213-1/
Third Party Advisory
https://usn.ubuntu.com/4213-1/
https://usn.ubuntu.com/4446-1/
Third Party Advisory
https://usn.ubuntu.com/4446-1/
https://www.debian.org/security/2020/dsa-4682
Third Party Advisory
https://www.debian.org/security/2020/dsa-4682
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt
Third Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2019_8.txt
http://www.squid-cache.org/Versions/v4/changesets/squid-4-f…
Patch
http://www.squid-cache.org/Versions/v4/changesets/squid-4-fbbdf75efd7a5cc244b48…