CVE-2023-46847

Squid: denial of service in http digest authentication

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

Squid es vulnerable a una Denegación de Servicio, donde un atacante remoto puede realizar un ataque de desbordamiento de búfer escribiendo hasta 2 MB de datos arbitrarios en la memoria acumulada cuando Squid está configurado para aceptar la autenticación implícita HTTP.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-10-27 CVE Reserved
2023-11-03 CVE Published
2024-02-17 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (19)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html	Mailing List
https://security.netapp.com/advisory/ntap-20231130-0002	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2023:6266	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6267	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6268	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6748	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6801	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6803	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6804	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6805	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6810	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6882	2024-02-16
https://access.redhat.com/errata/RHSA-2023:6884	2024-02-16
https://access.redhat.com/errata/RHSA-2023:7213	2024-02-16
https://access.redhat.com/errata/RHSA-2023:7576	2024-02-16
https://access.redhat.com/errata/RHSA-2023:7578	2024-02-16
https://access.redhat.com/security/cve/CVE-2023-46847	2023-11-29
https://bugzilla.redhat.com/show_bug.cgi?id=2245916	2023-11-29
https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g	2024-02-16

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"				>= 3.2.0.1 < 6.4 Search vendor "Squid-cache" for product "Squid" and version " >= 3.2.0.1 < 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 Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		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
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected