CVE-2023-46846
Squid: request/response smuggling in http/1.1 and icap
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
SQUID es vulnerable al contrabando de solicitudes HTTP, causado por la indulgencia de los decodificadores fragmentados, lo que permite a un atacante remoto realizar el contrabando de solicitudes/respuestas a través del firewall y los sistemas de seguridad frontales.
Joshua Rogers discovered that Squid incorrectly handled validating certain SSL certificates. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Gopher support has been disabled in this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-10-27 CVE Reserved
- 2023-11-03 CVE Published
- 2025-01-27 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CAPEC
References (16)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2023:6266 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6267 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6268 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6748 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6801 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6803 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6804 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:6810 | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2023:7213 | 2024-01-22 | |
| https://access.redhat.com/security/cve/CVE-2023-46846 | 2024-01-22 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2245910 | 2024-01-22 | |
| https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh | 2024-01-22 | |
| https://access.redhat.com/errata/RHSA-2024:11049 | 2025-01-27 |
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" | >= 2.6 < 6.4 Search vendor "Squid-cache" for product "Squid" and version " >= 2.6 < 6.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 8.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 8.8 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.8" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 9.0 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "9.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 9.2 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "9.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux For Arm 64 Search vendor "Redhat" for product "Enterprise Linux For Arm 64" | 8.0_aarch64 Search vendor "Redhat" for product "Enterprise Linux For Arm 64" and version "8.0_aarch64" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux For Ibm Z Systems Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems" | 8.0_s390x Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems" and version "8.0_s390x" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux For Power Little Endian Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" | 8.0_ppc64le Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" and version "8.0_ppc64le" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 8.2 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 8.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 8.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 9.2 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "9.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 8.2 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 8.4 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 8.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 8.8 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.8" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 9.2 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "9.2" | - |
Affected
| ||||||