CVE-2022-23548

2023-01-0519:15:09

CWE-1333

[email protected]

web.nvd.nist.gov

discourse

redos

cve-2022-23548

nvd

vulnerability

security advisory

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.7%

JSON

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

Affected configurations

Vulners

NVD

Node

discoursediscourseRange<2.8.14

discoursediscourseRange2.9.0.beta0–2.9.0.beta16

VendorProductVersionCPE
discoursediscourse*cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
discoursediscourse*cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
discourse	discourse	*	cpe:2.3:a:discourse:discourse::::::::
discourse	discourse	*	cpe:2.3:a:discourse:discourse::::::::

CNA Affected

[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 2.8.14",
        "status": "affected"
      },
      {
        "version": ">= 2.9.0.beta0, <  2.9.0.beta16",
        "status": "affected"
      }
    ]
  }
]