CISA KEV 정보
| 취약점명 | Red Hat Polkit Incorrect Authorization Vulnerability |
|---|---|
| 설명 | Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation. |
| 조치사항 | Apply updates per vendor instructions. |
| 랜섬웨어 캠페인 악용 | Unknown |
| CWE | CWE-863 |
| 등록일 (KEV) | 2023-05-12 |
| 조치 기한 | 2023-06-02 |
| 추가 참고 | https://bugzilla.redhat.com/show_bug.cgi?id=1961710; https://nvd.nist.gov/vuln/detail/CVE-2021-3560 |
NVD 상세 정보
CVSS v3.1: 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVSS v2.0: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C설명: It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CWE: CWE-863 | CWE-754
참조
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html [Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html [Third Party Advisory, VDB Entry]
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710 [Issue Tracking, Patch, Vendor Advisory]
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ [Exploit, Third Party Advisory]
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html [Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html [Third Party Advisory, VDB Entry]
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710 [Issue Tracking, Patch, Vendor Advisory]
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ [Exploit, Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560 [US Government Resource]
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