CVE-2020-1888
Last modified
CVE-2020-1888 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Insufficient boundary checks when decoding JSON in handleBackslash reads out of bounds memory, potentially leading to 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 1.15% chance of exploitation in the next 30 days.
Description
Insufficient boundary checks when decoding JSON in handleBackslash reads out of bounds memory, potentially leading to 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:N/S:U/C:N/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
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