CISA KEV 정보
| 취약점명 | Arm Trusted Firmware Out-of-Bounds Write Vulnerability |
|---|---|
| 설명 | Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers. |
| 조치사항 | Apply updates per vendor instructions. |
| 랜섬웨어 캠페인 악용 | Unknown |
| CWE | CWE-787 |
| 등록일 (KEV) | 2021-11-03 |
| 조치 기한 | 2021-11-17 |
| 추가 참고 | https://nvd.nist.gov/vuln/detail/CVE-2021-27562 |
NVD 상세 정보
CVSS v3.1: 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVSS v2.0: 4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C설명: In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.
CWE: CWE-787 | CWE-787
참조
- https://developer.arm.com/support/arm-security-updates [Vendor Advisory]
- https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst [Permissions Required, Third Party Advisory]
- https://developer.arm.com/support/arm-security-updates [Vendor Advisory]
- https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst [Permissions Required, Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27562 [US Government Resource]
This product uses the NVD API but is not endorsed or certified by the NVD.