PT-2018-3980 · Javascript · Is-My-Json-Valid

Pedro Sampaio · Published 2018-02-13 · Updated 2022-01-06 · CVE-2018-1107

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions is-my-json-valid (affected versions not specified)

Description The issue is related to an inefficient regular expression used in the is-my-json-valid JavaScript library to validate JSON fields defined to have email format. This inefficiency can be exploited by a remote attacker who sends a specially crafted JSON file, causing the library to consume an excessive amount of CPU time when validated, leading to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2024-01507

CVE-2018-1107

GHSA-4HPF-3WQ7-5RPR

Affected Products

Is-My-Json-Valid

References · 11

• 🔥 https://snyk.io/vuln/npm:is-my-json-valid:20180214 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-1107 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1546357 · Patch
• https://osv.dev/vulnerability/GHSA-4hpf-3wq7-5rpr · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01507 · Security Note
• https://osv.dev/vulnerability/CVE-2018-1107 · Vendor Advisory
• https://github.com/mafintosh/is-my-json-valid/commit/b3051b277f7caa08cd2edc6f74f50aeda65d2976 · Note
• https://github.com/mafintosh/is-my-json-valid/pull/159 · Note
• https://t.me/cvenotify/12286 · Telegram Post
• https://t.me/cvenotify/12526 · Telegram Post
• https://access.redhat.com/security/cve/CVE-2018-1107 · Note