CVE-2019-3570

Published Jul 18, 2019

Last updated 4 years ago

CVSS critical 9.8

Overview

Description: 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.
Source: cve-assign@fb.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

CVSS 2.0

Type: Primary
Base score: 7.5
Impact score: 6.4
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov: CWE-787
cve-assign@fb.com: CWE-122

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7300A72B-8FCE-4F1D-A52A-CEF086502729",
            "versionEndIncluding": "3.30.5"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "13CFD992-D6E6-40E0-BD63-6782956332DE",
            "versionEndIncluding": "4.0.4",
            "versionStartIncluding": "4.0.0"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.1.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7105CCC0-A141-4AE9-84C1-87582AA0E443"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.2.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E97B345E-5B33-4723-8A19-33B297FFB964"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.3.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1BD9995D-6695-4EB5-B307-AD6B2002D918"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.4.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "03A26433-3B9D-4E38-AD43-5DF0D21BE6D2"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.5.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BF29D566-16FE-4D0B-BA09-64C5323DABC6"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.6.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "3EF05E05-0D7C-424F-8655-85926D14C6D8"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.7.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "428F37ED-6B16-4A78-A7DC-01042F96C0D7"
          },
          {
            "criteria": "cpe:2.3:a:facebook:hiphop_virtual_machine:4.8.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "891439D0-5C5C-4DAE-ADD5-4541BE8056A7"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

CVSS 2.0

Weaknesses

Social media

Configurations

References