CVE-2024-37894 Squid vulnerable to heap corruption in ESI assign

2024-06-2519:39:02

CWE-787

GitHub_M

github.com

squid

memory corruption

esi

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

Percentile

16.0%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This error can lead to a Denial of Service attack.

CNA Affected

[
  {
    "vendor": "squid-cache",
    "product": "squid",
    "versions": [
      {
        "status": "affected",
        "version": ">= 3.0, <= 3.5.28"
      },
      {
        "status": "affected",
        "version": ">= 4.0, <= 4.16"
      },
      {
        "status": "affected",
        "version": ">= 5.0, <= 5.9"
      },
      {
        "status": "affected",
        "version": ">= 6.0, <= 6.9"
      }
    ]
  }
]