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gentooGentoo FoundationGLSA-201710-28
HistoryOct 29, 2017 - 12:00 a.m.

Jython: Arbitrary code execution

2017-10-2900:00:00
Gentoo Foundation
security.gentoo.org
16

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

EPSS

0.023

Percentile

89.9%

Background

An implementation of Python written in Java.

Description

It was found that Jython is vulnerable to arbitrary code execution by sending a serialized function to the deserializer.

Impact

Remote execution of arbitrary code by enticing a user to execute malicious code.

Workaround

There is no known workaround at this time.

Resolution

All Jython users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-java/jython-2.7.0-r2"
OSVersionArchitecturePackageVersionFilename
Gentooanyalldev-java/jython< 2.7.0-r2UNKNOWN

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

EPSS

0.023

Percentile

89.9%