CVE-2024-34161 NGINX HTTP/3 QUIC vulnerability

2024-05-2916:02:05

CWE-416

github.com

nginx

http/3

quic

vulnerability

memory leak

network infrastructure

mtu

fragmentation

worker processes

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

Percentile

15.5%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module and the network infrastructure supports a Maximum Transmission Unit (MTU) of 4096 or greater without fragmentation, undisclosed QUIC packets can cause NGINX worker processes to leak previously freed memory.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:f5:nginx_plus:r30:-:*:*:*:*:*:*"
    ],
    "vendor": "f5",
    "product": "nginx_plus",
    "versions": [
      {
        "status": "affected",
        "version": "r30",
        "versionType": "custom",
        "lessThanOrEqual": "r31"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:f5:nginx:1.25.0:*:*:*:*:*:*:*"
    ],
    "vendor": "f5",
    "product": "nginx",
    "versions": [
      {
        "status": "affected",
        "version": "1.25.0",
        "versionType": "custom",
        "lessThanOrEqual": "1.26.0"
      }
    ],
    "defaultStatus": "unknown"
  }
]