Lucene search

FacebookCVE-2020-1892

HistoryMar 03, 2020 - 3:15 p.m.

CVE-2020-1892

2020-03-0315:15:11

CWE-125

facebook

web.nvd.nist.gov

cve-2020-1892

json_parser

information leak

dos

hhvm

nvd

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

AI Score

7.7

Confidence

High

EPSS

0.002

Percentile

61.2%

JSON

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and 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.

Affected configurations

Nvd

Node

facebookhhvmRange<4.8.7

facebookhhvmRange4.9.0–4.32.0

facebookhhvmRange4.33.0–4.38.0

facebookhhvmMatch4.39.0

facebookhhvmMatch4.40.0

facebookhhvmMatch4.41.0

facebookhhvmMatch4.42.0

facebookhhvmMatch4.43.0

facebookhhvmMatch4.44.0

facebookhhvmMatch4.45.0

VendorProductVersionCPE
facebookhhvm*cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
facebookhhvm4.39.0cpe:2.3:a:facebook:hhvm:4.39.0:*:*:*:*:*:*:*
facebookhhvm4.40.0cpe:2.3:a:facebook:hhvm:4.40.0:*:*:*:*:*:*:*
facebookhhvm4.41.0cpe:2.3:a:facebook:hhvm:4.41.0:*:*:*:*:*:*:*
facebookhhvm4.42.0cpe:2.3:a:facebook:hhvm:4.42.0:*:*:*:*:*:*:*
facebookhhvm4.43.0cpe:2.3:a:facebook:hhvm:4.43.0:*:*:*:*:*:*:*
facebookhhvm4.44.0cpe:2.3:a:facebook:hhvm:4.44.0:*:*:*:*:*:*:*
facebookhhvm4.45.0cpe:2.3:a:facebook:hhvm:4.45.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
facebook	hhvm	*	cpe:2.3:a:facebook:hhvm::::::::
facebook	hhvm	4.39.0	cpe:2.3:a:facebook:hhvm:4.39.0:::::::*
facebook	hhvm	4.40.0	cpe:2.3:a:facebook:hhvm:4.40.0:::::::*
facebook	hhvm	4.41.0	cpe:2.3:a:facebook:hhvm:4.41.0:::::::*
facebook	hhvm	4.42.0	cpe:2.3:a:facebook:hhvm:4.42.0:::::::*
facebook	hhvm	4.43.0	cpe:2.3:a:facebook:hhvm:4.43.0:::::::*
facebook	hhvm	4.44.0	cpe:2.3:a:facebook:hhvm:4.44.0:::::::*
facebook	hhvm	4.45.0	cpe:2.3:a:facebook:hhvm:4.45.0:::::::*

CNA Affected

[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "status": "affected",
        "version": "4.45.1"
      },
      {
        "status": "affected",
        "version": "4.45.0"
      },
      {
        "status": "affected",
        "version": "4.44.1"
      },
      {
        "status": "affected",
        "version": "4.44.0"
      },
      {
        "status": "affected",
        "version": "4.43.1"
      },
      {
        "status": "affected",
        "version": "4.43.0"
      },
      {
        "status": "affected",
        "version": "4.42.1"
      },
      {
        "status": "affected",
        "version": "4.42.0"
      },
      {
        "status": "affected",
        "version": "4.41.1"
      },
      {
        "status": "affected",
        "version": "4.41.0"
      },
      {
        "status": "affected",
        "version": "4.40.1"
      },
      {
        "status": "affected",
        "version": "4.40.0"
      },
      {
        "status": "affected",
        "version": "4.39.1"
      },
      {
        "status": "affected",
        "version": "4.39.0"
      },
      {
        "status": "affected",
        "version": "4.38.1"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.33.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.32.1"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.9.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.8.7"
      },
      {
        "lessThanOrEqual": "4.8.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d

hhvm.com/blog/2020/02/20/security-update.html

Social References

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

AI Score

7.7

Confidence

High

EPSS

0.002

Percentile

61.2%

JSON

Related for CVE-2020-1892