CVE-2022-26691
개요
An authorization vulnerability was found in the CUPS printing system. This security vulnerability occurs when local authorization happens. This flaw allows an attacker to authenticate to CUPS as root/admin without the 32-byte secret key and perform arbitrary code execution.
완화 방법
Red Hat has investigated whether possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVSS (Common Vulnerability Scoring System) 점수 세부 사항
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 점수 분석
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| 기본 점수 | 6.7 | 6.7 | N/A |
| 공격 벡터 | Local | Local | N/A |
| 공격 복잡성 | Low | Low | N/A |
| 필요한 권한 | High | High | N/A |
| 사용자 상호 작용 | None | None | N/A |
| 범위 | Unchanged | Unchanged | N/A |
| 기밀성 | High | High | N/A |
| 무결성에 미치는 영향 | High | High | N/A |
| 가용성에 미치는 영향 | High | High | N/A |
벡터
Red Hat: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
취약점 이해 (CWE)
Access Control
Technical Impact: Bypass Protection Mechanism
감사의 말
Red Hat would like to thank Joshua Mason (Mandiant) for reporting this issue.