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[email protected]CVE-2019-11929

HistoryOct 02, 2019 - 7:15 p.m.

CVE-2019-11929

2019-10-0219:15:11

CWE-119

[email protected]

web.nvd.nist.gov

cve-2019-11929

insufficient boundary checks

number_format

remote code execution

hhvm

memory access

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

9.7 High

AI Score

Confidence

High

0.06 Low

EPSS

Percentile

93.5%

JSON

Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.

Affected configurations

NVD

Node

facebookhhvmRange<3.30.10

facebookhhvmRange4.0.0–4.8.5

facebookhhvmRange4.9.0–4.18.2

facebookhhvmMatch4.19.0

facebookhhvmMatch4.19.1

facebookhhvmMatch4.20.0

facebookhhvmMatch4.20.1

facebookhhvmMatch4.20.2

facebookhhvmMatch4.21.0

facebookhhvmMatch4.22.0

facebookhhvmMatch4.23.0

CPENameOperatorVersion
facebook:hhvmfacebook hhvmlt3.30.10
facebook:hhvmfacebook hhvmle4.8.5
facebook:hhvmfacebook hhvmle4.18.2
facebook:hhvmfacebook hhvmeq4.19.0
facebook:hhvmfacebook hhvmeq4.19.1
facebook:hhvmfacebook hhvmeq4.20.0
facebook:hhvmfacebook hhvmeq4.20.1
facebook:hhvmfacebook hhvmeq4.20.2
facebook:hhvmfacebook hhvmeq4.21.0
facebook:hhvmfacebook hhvmeq4.22.0

CPE	Name	Operator	Version
facebook:hhvm	facebook hhvm	lt	3.30.10
facebook:hhvm	facebook hhvm	le	4.8.5
facebook:hhvm	facebook hhvm	le	4.18.2
facebook:hhvm	facebook hhvm	eq	4.19.0
facebook:hhvm	facebook hhvm	eq	4.19.1
facebook:hhvm	facebook hhvm	eq	4.20.0
facebook:hhvm	facebook hhvm	eq	4.20.1
facebook:hhvm	facebook hhvm	eq	4.20.2
facebook:hhvm	facebook hhvm	eq	4.21.0
facebook:hhvm	facebook hhvm	eq	4.22.0

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CNA Affected

[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "status": "affected",
        "version": "4.24.0"
      },
      {
        "status": "affected",
        "version": "4.23.2"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.23.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.22.1"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.22.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.21.1"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.21.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.20.3"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.20.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.19.2"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.19.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.18.3"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.9.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.8.5"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.30.11"
      },
      {
        "lessThanOrEqual": "3.30.10",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/facebook/hhvm/commit/dbeb9a56a638e3fdcef8b691c2a2967132dae692

hhvm.com/blog/2019/09/25/security-update.html

www.facebook.com/security/advisories/cve-2019-11929

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

9.7 High

AI Score

Confidence

High

0.06 Low

EPSS

Percentile

93.5%

JSON

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