CVE-2020-1892
Last modified
CVE-2020-1892 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hhvm | < 4.8.7 | |
| Hhvm | >= 4.9.0, <= 4.32.0 | |
| Hhvm | >= 4.33.0, <= 4.38.0 | |
| Hhvm | 4.39.0 | |
| Hhvm | 4.40.0 | |
| Hhvm | 4.41.0 | |
| Hhvm | 4.42.0 | |
| Hhvm | 4.43.0 | |
| Hhvm | 4.44.0 | |
| Hhvm | 4.45.0 |
References
- https://hhvm.com/blog/2020/02/20/security-update.htmlVendor Advisory
- https://hhvm.com/blog/2020/02/20/security-update.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-1892?
How severe is CVE-2020-1892?
How do I fix CVE-2020-1892?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-1890A URL validation issue in WhatsApp for Android prior to v2.2…7.5
- CVE-2020-18900A heap-based buffer overflow in the libexe_io_handle_read_co…3.3
- CVE-2020-1891A user controlled parameter used in video call in WhatsApp f…9.8
- CVE-2020-18912An issue found in Earcms Ear App v.20181124 allows a remote …9.8
- CVE-2020-18913EARCLINK ESPCMS-P8 was discovered to contain a SQL injection…7.5
- CVE-2020-18917The plus/search.php component in DedeCMS 5.7 SP2 allows remo…8.8
- CVE-2020-1893Insufficient boundary checks when decoding JSON in TryParse …7.5
- CVE-2020-1894A stack write overflow in WhatsApp for Android prior to v2.2…8.8
- CVE-2020-1895A large heap overflow could occur in Instagram for Android w…7.8
- CVE-2020-1896A stack overflow vulnerability in Facebook Hermes 'builtin a…9.8
- CVE-2020-18964Cross Site Request Forgery (CSRF) Vulnerability in ForestBlo…8.8
- CVE-2020-1897A use-after-free is possible due to an error in lifetime man…9.8
Are you affected by CVE-2020-1892?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST