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[email protected]CVE-2020-1893

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

CVE-2020-1893

2020-03-0315:15:12

CWE-125

[email protected]

web.nvd.nist.gov

cve-2020-1893

security

json

dos

hhvm 4.45.0

hhvm 4.44.0

hhvm 4.43.0

hhvm 4.42.0

hhvm 4.41.0

hhvm 4.40.0

hhvm 4.39.0

hhvm 4.38.0

hhvm 4.33.0

hhvm 4.32.0

hhvm 4.9.0

hhvm 4.8.7

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.8%

JSON

Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to 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

CPENameOperatorVersion
facebook:hhvmfacebook hhvmlt4.8.7
facebook:hhvmfacebook hhvmle4.32.0
facebook:hhvmfacebook hhvmle4.38.0
facebook:hhvmfacebook hhvmeq4.39.0
facebook:hhvmfacebook hhvmeq4.40.0
facebook:hhvmfacebook hhvmeq4.41.0
facebook:hhvmfacebook hhvmeq4.42.0
facebook:hhvmfacebook hhvmeq4.43.0
facebook:hhvmfacebook hhvmeq4.44.0
facebook:hhvmfacebook hhvmeq4.45.0

CPE	Name	Operator	Version
facebook:hhvm	facebook hhvm	lt	4.8.7
facebook:hhvm	facebook hhvm	le	4.32.0
facebook:hhvm	facebook hhvm	le	4.38.0
facebook:hhvm	facebook hhvm	eq	4.39.0
facebook:hhvm	facebook hhvm	eq	4.40.0
facebook:hhvm	facebook hhvm	eq	4.41.0
facebook:hhvm	facebook hhvm	eq	4.42.0
facebook:hhvm	facebook hhvm	eq	4.43.0
facebook:hhvm	facebook hhvm	eq	4.44.0
facebook:hhvm	facebook hhvm	eq	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/bd586671a3c22eb2f07e55f11b3ce64e1f7961e7

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

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.8%

JSON

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