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MitreCVE-2018-20718

HistoryJan 15, 2019 - 4:29 p.m.

CVE-2018-20718

2019-01-1516:29:00

CWE-502

mitre

web.nvd.nist.gov

pydio

php object injection

cve-2018-20718

nvd

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

AI Score

9.5

Confidence

High

EPSS

0.005

Percentile

75.7%

JSON

In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a “public link” of a file, or access to any unprivileged user account for creation of such a link.

Affected configurations

Nvd

Node

pydiopydioRange<8.2.2

VendorProductVersionCPE
pydiopydio*cpe:2.3:a:pydio:pydio:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
pydio	pydio	*	cpe:2.3:a:pydio:pydio::::::::

References

blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

AI Score

9.5

Confidence

High

EPSS

0.005

Percentile

75.7%

JSON

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