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GoogleOSV:PYSEC-2021-83

HistoryMay 21, 2021 - 10:15 p.m.

PYSEC-2021-83

2021-05-2122:15:00

Google

osv.dev

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

54.9%

JSON

Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.

CPENameOperatorVersion
ploneeq4.3.10
ploneeq4.3.4
ploneeq4.3.11
ploneeq4.3.6
ploneeq3.2.1
ploneeq3.2.2
ploneeq4.2.1
ploneeq5.2.3
ploneeq4.3b1
ploneeq5.0

Name	Operator	Version
plone	eq	4.3.10
plone	eq	4.3.4
plone	eq	4.3.11
plone	eq	4.3.6
plone	eq	3.2.1
plone	eq	3.2.2
plone	eq	4.2.1
plone	eq	5.2.3
plone	eq	4.3b1
plone	eq	5.0

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References

www.openwall.com/lists/oss-security/2021/05/22/1

github.com/advisories/GHSA-gc9g-67cq-p7v4

plone.org/security/hotfix/20210518/server-side-request-forgery-via-lxml-parser

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

54.9%

JSON

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