CVE-2022-24823 Local Information Disclosure Vulnerability in io.netty:netty-codec-http

2022-05-0612:05:11

CWE-378

CWE-379

CWE-668

GitHub_M

www.cve.org

netty

information disclosure

java 6

unix-like systems

temporary directory

vulnerability

patch

defaulthttpdatafactory

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.6

Confidence

High

EPSS

Percentile

13.3%

JSON

Netty is an open-source, asynchronous event-driven network application framework. The package io.netty:netty-codec-http prior to version 4.1.77.Final contains an insufficient fix for CVE-2021-21290. When Netty’s multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. This only impacts applications running on Java version 6 and lower. Additionally, this vulnerability impacts code running on Unix-like systems, and very old versions of Mac OSX and Windows as they all share the system temporary directory between all users. Version 4.1.77.Final contains a patch for this vulnerability. As a workaround, specify one’s own java.io.tmpdir when starting the JVM or use DefaultHttpDataFactory.setBaseDir(…) to set the directory to something that is only readable by the current user.

CNA Affected

[
  {
    "product": "netty",
    "vendor": "netty",
    "versions": [
      {
        "status": "affected",
        "version": "<= 4.1.76.Final"
      }
    ]
  }
]