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CVE-2018-1000074

Public on 2018-03-13
Modified on 2019-08-27
Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file. This vulnerability appears to have been fixed in 2.7.6.

Severity
Medium
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CVSS v3 Base Score
7.8
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core ruby 2018-04-05 16:06 ALAS2-2018-983
Amazon Linux 2 - Core ruby 2019-08-23 03:41 ALAS2-2019-1276
Amazon Linux 1 ruby20 2018-04-04 23:18 ALAS-2018-983
Amazon Linux 1 ruby22 2018-04-04 23:18 ALAS-2018-983
Amazon Linux 1 ruby23 2018-04-04 23:18 ALAS-2018-983
Amazon Linux 1 ruby24 2018-04-04 23:18 ALAS-2018-983

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H