CVE Vulnerability

CVE-2020-8165

A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://groups.google.com/g/rubyonrails-security/c/bv6fW4S0Y1c Mailing List Patch
https://hackerone.com/reports/413388 Exploit Patch
https://lists.debian.org/debian-lts-announce/2020/06/msg00022.html Mailing List Third Party Advisory
https://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released/ Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4766 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00031.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00034.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Information

Published : 2020-06-19 06:15

Updated : 2022-05-24 04:45

NVD link : CVE-2020-8165

Mitre link : CVE-2020-8165

Products Affected

Rails

Rubyonrails

CWE
CWE-502

Deserialization of Untrusted Data