ruby2.3, ruby2.5, ruby2.7 vulnerabilities

2021-03-1817:00:33

Google

osv.dev

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.4 High

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

79.1%

JSON

It was discovered that the Ruby JSON gem incorrectly handled certain JSON
files. If a user or automated system were tricked into parsing a specially
crafted JSON file, a remote attacker could use this issue to execute
arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04
LTS. (CVE-2020-10663)

It was discovered that Ruby incorrectly handled certain socket memory
operations. A remote attacker could possibly use this issue to obtain
sensitive information. This issue only affected Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-10933)

It was discovered that Ruby incorrectly handled certain transfer-encoding
headers when using Webrick. A remote attacker could possibly use this issue
to bypass a reverse proxy. (CVE-2020-25613)