Vulnerability Monitor

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CVE-2023-46847


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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.6, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, and availability (service disruption) for affected systems. Impacting 10 products from squid-cache, from redhat, from redhat and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-11-03T08:15:08.023

Last Modified

2024-11-21T08:29:25.000

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.6 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-120
  • Type: Primary
    CWE-120

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application squid-cache squid < 6.4 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux 9.0 Yes
Operating System redhat enterprise_linux_eus 8.6 Yes
Operating System redhat enterprise_linux_eus 8.8 Yes
Operating System redhat enterprise_linux_eus 9.0 Yes
Operating System redhat enterprise_linux_eus 9.2 Yes
Operating System redhat enterprise_linux_for_arm_64 8.0_aarch64 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0_s390x Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0_ppc64le Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 8.2 Yes
Operating System redhat enterprise_linux_server_aus 8.4 Yes
Operating System redhat enterprise_linux_server_aus 8.6 Yes
Operating System redhat enterprise_linux_server_aus 9.2 Yes
Operating System redhat enterprise_linux_server_tus 8.2 Yes
Operating System redhat enterprise_linux_server_tus 8.4 Yes
Operating System redhat enterprise_linux_server_tus 8.6 Yes
Operating System redhat enterprise_linux_server_tus 8.8 Yes
Operating System redhat enterprise_linux_server_tus 9.2 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For squid-cache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.