CVE-2021-20264 — Incorrect Privilege Assignment in Openjdk

CWE-266 — Incorrect Privilege AssignmentCWE-732 — Incorrect Permission AssignmentCWE-269 — Improper Privilege Management4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 72.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Containers OpenjdkOracle Openjdk
Timeline
PublishedOct 6
Latest updateMay 24

Description

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5containers/openjdkopenjdk 1.8
▶NVDoracle/openjdk1.8.0, 11+1

🔴Vulnerability Details

2
GHSA
GHSA-gx4p-prhw-c28v: An insecure modification flaw in the /etc/passwd file was found in the openjdk-1↗2022-05-24
▶
CVEList
CVE-2021-20264: An insecure modification flaw in the /etc/passwd file was found in the openjdk-1↗2021-10-06
▶

📋Vendor Advisories

1
Red Hat
containers/openjdk: /etc/passwd is given incorrect privileges↗2020-01-21
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CVE-2021-20264 — Incorrect Privilege Assignment | cvebase