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[email protected]CVE-2021-24025

HistoryMar 10, 2021 - 4:15 p.m.

CVE-2021-24025

2021-03-1016:15:16

CWE-190

CWE-122

[email protected]

web.nvd.nist.gov

cve-2021-24025

integer overflow

preg_quote function

security vulnerability

heap overflow

hhvm

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.9%

JSON

Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

Affected configurations

NVD

Node

facebookhhvmRange<4.56.3

facebookhhvmRange4.57.0–4.80.1

facebookhhvmRange4.81.0–4.93.1

facebookhhvmMatch4.94.0

facebookhhvmMatch4.95.0

facebookhhvmMatch4.96.0

facebookhhvmMatch4.97.0

facebookhhvmMatch4.98.0

CPENameOperatorVersion
facebook:hhvmfacebook hhvmlt4.56.3
facebook:hhvmfacebook hhvmle4.80.1
facebook:hhvmfacebook hhvmle4.93.1
facebook:hhvmfacebook hhvmeq4.94.0
facebook:hhvmfacebook hhvmeq4.95.0
facebook:hhvmfacebook hhvmeq4.96.0
facebook:hhvmfacebook hhvmeq4.97.0
facebook:hhvmfacebook hhvmeq4.98.0

CPE	Name	Operator	Version
facebook:hhvm	facebook hhvm	lt	4.56.3
facebook:hhvm	facebook hhvm	le	4.80.1
facebook:hhvm	facebook hhvm	le	4.93.1
facebook:hhvm	facebook hhvm	eq	4.94.0
facebook:hhvm	facebook hhvm	eq	4.95.0
facebook:hhvm	facebook hhvm	eq	4.96.0
facebook:hhvm	facebook hhvm	eq	4.97.0
facebook:hhvm	facebook hhvm	eq	4.98.0

CNA Affected

[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.98.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.98.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.97.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.97.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.96.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.96.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.95.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.95.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.94.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.94.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.93.2",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.81.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.80.2",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.57.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.56.3",
        "versionType": "custom"
      },
      {
        "lessThan": "4.56.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca

hhvm.com/blog/2021/02/25/security-update.html

Social References

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.9%

JSON

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