HHVM up to 4.3.0 scrypt_enc() N/r/p memory corruption

A vulnerability has been found in HHVM up to 4.3.0 and classified as critical. Affected by this vulnerability is the function scrypt_enc(). The manipulation of the argument N/r/p as part of a Parameter leads to a memory corruption vulnerability (Heap-based). The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 07/18/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2019-3570 since 01/02/2019. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/19/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.1

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Heap-based (CWE-122)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

01/02/2019 CVE assigned
07/18/2019 +197 days Advisory disclosed
07/19/2019 +1 days VulDB entry created
07/19/2019 +0 days VulDB last updateAdvisory: github.com
Status: Unconfirmed

CVE: CVE-2019-3570 (🔒)

Created: 07/19/2019 10:37 AM
Complete: 🔍

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