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GitHub Advisory DatabaseGHSA-674V-3G2W-84GX

HistoryMar 29, 2022 - 12:01 a.m.

Sandbox bypass in fenom

2022-03-2900:01:15

GitHub Advisory Database

github.com

fenom

sandbox bypass

vulnerability

template.php

gettemplatecode()

disable_native_funcs

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

53.3%

JSON

In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.

Affected configurations

Vulners

Node

fenomfenomRange≤2.12.1

References

github.com/advisories/GHSA-674v-3g2w-84gx

github.com/fenom-template/fenom/issues/331

nvd.nist.gov/vuln/detail/CVE-2021-46433

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

53.3%

JSON

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