CVE-2023-50251 php-svg-lib possible DoS caused by infinite recursion when parsing SVG document

2023-12-1220:37:23

CWE-674

GitHub_M

www.cve.org

cve-2023-50251

php-svg-lib

dos

infinite recursion

svg parsing

resource exhaustion

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%

JSON

php-svg-lib is an SVG file parsing / rendering library. Prior to version 0.5.1, when parsing the attributes passed to a use tag inside an svg document, an attacker can cause the system to go to an infinite recursion. Depending on the system configuration and attack pattern this could exhaust the memory available to the executing process and/or to the server itself. An attacker sending multiple request to a system to render the above payload can potentially cause resource exhaustion to the point that the system is unable to handle incoming request. Version 0.5.1 contains a patch for this issue.

CNA Affected

[
  {
    "vendor": "dompdf",
    "product": "php-svg-lib",
    "versions": [
      {
        "version": "< 0.5.1",
        "status": "affected"
      }
    ]
  }
]