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cveFacebookCVE-2020-1916
HistoryMar 10, 2021 - 4:15 p.m.

CVE-2020-1916

2021-03-1016:15:14
CWE-787
CWE-122
facebook
web.nvd.nist.gov
22
3
security
integer overflow
ldap_escape
out-of-bounds write
cve-2020-1916
nvd

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

64.7%

An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0.

Affected configurations

Nvd
Node
facebookhhvmRange<4.56.2
OR
facebookhhvmRange4.57.04.78.1
OR
facebookhhvmMatch4.79.0
OR
facebookhhvmMatch4.80.0
OR
facebookhhvmMatch4.81.0
OR
facebookhhvmMatch4.82.0
OR
facebookhhvmMatch4.83.0
VendorProductVersionCPE
facebookhhvm*cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
facebookhhvm4.79.0cpe:2.3:a:facebook:hhvm:4.79.0:*:*:*:*:*:*:*
facebookhhvm4.80.0cpe:2.3:a:facebook:hhvm:4.80.0:*:*:*:*:*:*:*
facebookhhvm4.81.0cpe:2.3:a:facebook:hhvm:4.81.0:*:*:*:*:*:*:*
facebookhhvm4.82.0cpe:2.3:a:facebook:hhvm:4.82.0:*:*:*:*:*:*:*
facebookhhvm4.83.0cpe:2.3:a:facebook:hhvm:4.83.0:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.83.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.83.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.82.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.82.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.81.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.81.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.80.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.80.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.79.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.79.0"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.78.1",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.57.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "4.56.2",
        "versionType": "custom"
      },
      {
        "lessThan": "4.56.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

64.7%

Related for CVE-2020-1916