CVE-2023-46847 Squid: denial of service in http digest authentication
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.
Problem types: cwe_id: CWE-120
description: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected products: default_status: unaffected
vendor: Red Hat
product: Red Hat Enterprise Linux 6 Extended Lifecycle Support
cpes: cpe:/o:redhat:rhel_els:6
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 6 Extended Lifecycle Support
cpes: cpe:/o:redhat:rhel_els:6
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 7
cpes: cpe:/o:redhat:enterprise_linux:7::server
cpe:/o:redhat:enterprise_linux:7::workstation
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)
cpes: cpe:/o:redhat:rhel_aus:7.6::server
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 7.7 Advanced Update Support
cpes: cpe:/o:redhat:rhel_aus:7.7::server
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8
cpes: cpe:/a:redhat:enterprise_linux:8::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8
cpes: cpe:/a:redhat:enterprise_linux:8::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
cpes: cpe:/a:redhat:rhel_e4s:8.1::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Advanced Update Support
cpes: cpe:/a:redhat:rhel_tus:8.2::appstream
cpe:/a:redhat:rhel_aus:8.2::appstream
cpe:/a:redhat:rhel_e4s:8.2::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Telecommunications Update Service
cpes: cpe:/a:redhat:rhel_tus:8.2::appstream
cpe:/a:redhat:rhel_aus:8.2::appstream
cpe:/a:redhat:rhel_e4s:8.2::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
cpes: cpe:/a:redhat:rhel_tus:8.2::appstream
cpe:/a:redhat:rhel_aus:8.2::appstream
cpe:/a:redhat:rhel_e4s:8.2::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
cpes: cpe:/a:redhat:rhel_e4s:8.4::appstream
cpe:/a:redhat:rhel_tus:8.4::appstream
cpe:/a:redhat:rhel_aus:8.4::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Telecommunications Update Service
cpes: cpe:/a:redhat:rhel_e4s:8.4::appstream
cpe:/a:redhat:rhel_tus:8.4::appstream
cpe:/a:redhat:rhel_aus:8.4::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
cpes: cpe:/a:redhat:rhel_e4s:8.4::appstream
cpe:/a:redhat:rhel_tus:8.4::appstream
cpe:/a:redhat:rhel_aus:8.4::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.6 Extended Update Support
cpes: cpe:/a:redhat:rhel_eus:8.6::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9
cpes: cpe:/a:redhat:enterprise_linux:9::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9
cpes: cpe:/a:redhat:enterprise_linux:9::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
cpes: cpe:/a:redhat:rhel_eus:9.0::appstream
default_status: affected
CVSS v3.1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.6
baseSeverity: HIGH
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
version: 3.1
Published: 2023-11-03T07:58:05.641Z