CVE-2023-46728 — HIGH (7.5)

Q: How severe is CVE-2023-46728?

CVE-2023-46728 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-46728?

Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid.

Vulnerability Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0.1. Responses triggering this bug are possible to be received from any gopher server, even those without malicious intent. Gopher support has been removed in Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should reject all gopher URL requests.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Squid-Cache	Squid	< 6.0.1

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2023-46728?

CVE-2023-46728 is a vulnerability with a CVSS score of 7.5 (HIGH). Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The ...

How severe is CVE-2023-46728?

CVE-2023-46728 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-46728?

Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid.