CVE-2022-24999
Last modified
CVE-2022-24999 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. qs before 6.10.3, as used in Express before 4.17.3 and other products, allows attackers to cause a Node process hang for an Express application because an __ proto__ key can be used. In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[__proto__]=b&a[__proto__]&a[length]=100000000. EPSS estimates a 14.66% chance of exploitation in the next 30 days.
Description
qs before 6.10.3, as used in Express before 4.17.3 and other products, allows attackers to cause a Node process hang for an Express application because an __ proto__ key can be used. In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[__proto__]=b&a[__proto__]&a[length]=100000000. The fix was backported to qs 6.9.7, 6.8.3, 6.7.3, 6.6.1, 6.5.3, 6.4.1, 6.3.3, and 6.2.4 (and therefore Express 4.17.3, which has "deps: qs@6.9.7" in its release description, is not vulnerable).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qs Project | Qs | < 6.2.4 |
| Qs Project | Qs | >= 6.3.0, < 6.3.3 |
| Qs Project | Qs | >= 6.5.0, < 6.5.3 |
| Qs Project | Qs | >= 6.7.0, < 6.7.3 |
| Qs Project | Qs | >= 6.8.0, < 6.8.3 |
| Qs Project | Qs | >= 6.9.0, < 6.9.7 |
| Qs Project | Qs | >= 6.10.0, < 6.10.3 |
| Qs Project | Qs | 6.4.0 |
| Qs Project | Qs | 6.6.0 |
| Openjsf | Express | < 4.17.3 |
| Debian | Debian Linux | 10.0 |
References
- https://github.com/ljharb/qs/pull/428Issue Tracking, Patch
- https://github.com/n8tz/CVE-2022-24999Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00039.htmlMailing List, Third Party Advisory
- https://github.com/ljharb/qs/pull/428Issue Tracking, Patch
- https://github.com/n8tz/CVE-2022-24999Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00039.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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