CVE-2009-4212
krb5 - denial of service
EPSS 7.4%
描述
Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.
如何修補 CVE-2009-4212
要修補 CVE-2009-4212,請將受影響套件升級到下列已修補版本。
- Debian/krb5—升級至 1.8+dfsg~alpha1-1 或更新版本
- Debian/krb5—升級至 1.4.4-7etch8 或更新版本
CVE-2009-4212 正在被利用嗎?
中等 — EPSS 為 7.4%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0, < 1.8+dfsg~alpha1-1
- from 0, < 1.4.4-7etch8