CVE-2022-39280 Regular expression denial of service in dparse

2022-10-0600:00:00

CWE-400

GitHub_M

www.cve.org

dparse

python

dependency files

vulnerability

regex

denial of service

fix

version 0.5.2

upgrade

index server urls

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

48.5%

JSON

dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is vulnerable to a Regular Expression Denial of Service. All the users parsing index server URLs with dparse are impacted by this vulnerability. A patch has been applied in version 0.5.2, all the users are advised to upgrade to 0.5.2 as soon as possible. Users unable to upgrade should avoid passing index server URLs in the source file to be parsed.

CNA Affected

[
  {
    "vendor": "pyupio",
    "product": "dparse",
    "versions": [
      {
        "version": "< 0.5.2",
        "status": "affected"
      }
    ]
  }
]