rubygems -- deserialization vulnerability

2017-10-0900:00:00

vuxml.freebsd.org

9.8 High

CVSS3

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.135 Low

EPSS

Percentile

95.5%

JSON

oss-security mailing list:

There is a possible unsafe object desrialization vulnerability in
RubyGems. It is possible for YAML deserialization of gem specifications
to bypass class white lists. Specially crafted serialized objects can
possibly be used to escalate to remote code execution.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchruby22-gems< 2.6.14UNKNOWN
FreeBSDanynoarchruby23-gems< 2.6.14UNKNOWN
FreeBSDanynoarchruby24-gems< 2.6.14UNKNOWN