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[email protected]CVE-2021-40110

HistoryJan 04, 2022 - 9:15 a.m.

CVE-2021-40110

2022-01-0409:15:07

[email protected]

web.nvd.nist.gov

apache james

cve-2021-40110

imap

dos

regular expression

vulnerability update

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

51.9%

JSON

In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.

Affected configurations

Vulners

NVD

Node

apachejamesRange≤3.6.0

CPENameOperatorVersion
apache:jamesapache jameslt3.6.1

CPE	Name	Operator	Version
apache:james	apache james	lt	3.6.1

CNA Affected

[
  {
    "product": "Apache James",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "3.6.0",
        "status": "affected",
        "version": "Apache James",
        "versionType": "custom"
      }
    ]
  }
]