CVE-2019-3570

2019-07-1815:42:25

CWE-122

facebook

www.cve.org

9.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.4%

JSON

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.

CNA Affected

[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "status": "affected",
        "version": "4.8.1"
      },
      {
        "status": "affected",
        "version": "4.8.0"
      },
      {
        "status": "affected",
        "version": "4.7.1"
      },
      {
        "status": "affected",
        "version": "4.7.0"
      },
      {
        "status": "affected",
        "version": "4.6.1"
      },
      {
        "status": "affected",
        "version": "4.6.0"
      },
      {
        "status": "affected",
        "version": "4.5.1"
      },
      {
        "status": "affected",
        "version": "4.5.0"
      },
      {
        "status": "affected",
        "version": "4.4.1"
      },
      {
        "status": "affected",
        "version": "4.4.0"
      },
      {
        "status": "affected",
        "version": "4.3.1"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.30.6"
      },
      {
        "lessThanOrEqual": "3.30.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]