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Vulnerability Details : CVE-2019-3570

Call to the scrypt_enc() function in HHVM can lead to heap corruption by using specifically crafted parameters (N, r and p). This happens if the parameters are configurable by an attacker for instance by providing the output of scrypt_enc() in a context where Hack/PHP code would attempt to verify it by re-running scrypt_enc() with the same parameters. This could result in information disclosure, memory being overwriten or crashes of the HHVM process. This issue affects versions 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, versions 3.30.5 and below, and all versions in the 4.0, 4.1, and 4.2 series.
Publish Date : 2019-07-18 Last Update Date : 2019-08-05
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) OverflowMemory corruption
CWE ID 119

- Products Affected By CVE-2019-3570

# Product Type Vendor Product Version Update Edition Language
1 Application Facebook Hiphop Virtual Machine 3.30.5 Version Details Vulnerabilities
2 Application Facebook Hiphop Virtual Machine 4.0.0 Version Details Vulnerabilities
3 Application Facebook Hiphop Virtual Machine 4.0.1 Version Details Vulnerabilities
4 Application Facebook Hiphop Virtual Machine 4.0.2 Version Details Vulnerabilities
5 Application Facebook Hiphop Virtual Machine 4.0.3 Version Details Vulnerabilities
6 Application Facebook Hiphop Virtual Machine 4.0.4 Version Details Vulnerabilities
7 Application Facebook Hiphop Virtual Machine 4.1.0 Version Details Vulnerabilities
8 Application Facebook Hiphop Virtual Machine 4.2.0 Version Details Vulnerabilities
9 Application Facebook Hiphop Virtual Machine 4.3.0 Version Details Vulnerabilities
10 Application Facebook Hiphop Virtual Machine 4.4.0 Version Details Vulnerabilities
11 Application Facebook Hiphop Virtual Machine 4.5.0 Version Details Vulnerabilities
12 Application Facebook Hiphop Virtual Machine 4.6.0 Version Details Vulnerabilities
13 Application Facebook Hiphop Virtual Machine 4.7.0 Version Details Vulnerabilities
14 Application Facebook Hiphop Virtual Machine 4.8.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Facebook Hiphop Virtual Machine 14

- References For CVE-2019-3570

https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html CONFIRM
https://github.com/facebook/hhvm/commit/cc331e4349e91706a673e2a09f1f2ea5bbb33815 CONFIRM

- Metasploit Modules Related To CVE-2019-3570

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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