CVE-2022-42966 Exponential ReDoS in cleo leads to denial of service

2022-11-0900:00:00

CWE-1333

JFROG

www.cve.org

cve-2022-42966

denial of service

regular expression denial of service

table.set_rows method

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

36.8%

JSON

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method

CNA Affected

[
  {
    "vendor": "cleo",
    "product": "cleo",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThan": "*",
        "versionType": "custom"
      }
    ]
  }
]