CVE-2024-43380 fugit parse and parse_nat stall on lengthy input

2024-08-1914:37:39

CWE-400

GitHub_M

www.cve.org

cve-2024-43380

fugit

parse_nat

lengthy input

parser

fix

fugit 1.11.1

CVSS3

5.3

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

EPSS

0.001

Percentile

21.9%

JSON

fugit contains time tools for flor and the floraison group. The fugit “natural” parser, that turns “every wednesday at 5pm” into “0 17 * * 3”, accepted any length of input and went on attempting to parse it, not returning promptly, as expected. The parse call could hold the thread with no end in sight. Fugit dependents that do not check (user) input length for plausibility are impacted. A fix was released in fugit 1.11.1.

CNA Affected

[
  {
    "vendor": "floraison",
    "product": "fugit",
    "versions": [
      {
        "version": "< 1.11.1",
        "status": "affected"
      }
    ]
  }
]