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cvelistPhpCVELIST:CVE-2019-11043
HistoryOct 22, 2019 - 12:00 a.m.

CVE-2019-11043 Underflow in PHP-FPM can lead to RCE

2019-10-2200:00:00
CWE-120
php
www.cve.org

8.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

10 High

AI Score

Confidence

High

0.975 High

EPSS

Percentile

100.0%

In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.

CNA Affected

[
  {
    "product": "PHP",
    "vendor": "PHP",
    "versions": [
      {
        "lessThan": "7.1.33",
        "status": "affected",
        "version": "7.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "7.2.24",
        "status": "affected",
        "version": "7.2.x",
        "versionType": "custom"
      },
      {
        "lessThan": "7.3.11",
        "status": "affected",
        "version": "7.3.x",
        "versionType": "custom"
      }
    ]
  }
]

References

8.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

10 High

AI Score

Confidence

High

0.975 High

EPSS

Percentile

100.0%