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RubySecRUBY:RUBY-JSS-2021-33575

HistoryOct 05, 2021 - 9:00 p.m.

Remote code execution in ruby-jss

2021-10-0521:00:00

RubySec

github.com

ruby-jss

pixar gem

remote attackers

arbitrary code

plist gem

xml document processing

marshal.load

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

JSON

The Pixar ruby-jss gem before 1.6.0 allows remote attackers to execute
arbitrary code because of the Plist gem’s documented behavior of using Marshal.load
during XML document processing.

Affected configurations

Vulners

Node

rubyruby-jssRange≤1.6.0

VendorProductVersionCPE
rubyruby-jss*cpe:2.3:a:ruby:ruby-jss:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ruby	ruby-jss	*	cpe:2.3:a:ruby:ruby-jss::::::::

References

github.com/advisories/GHSA-vmfh-c547-v45h

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

JSON

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