CVE-2021-20247
HIGH7.4EPSS 1.7%isync - security update
發布日:2021/2/23修改日:2026/4/28
描述
A flaw was found in mbsync before v1.3.5 and v1.4.1. Validations of the mailbox names returned by IMAP LIST/LSUB do not occur allowing a malicious or compromised server to use specially crafted mailbox names containing '..' path components to access data outside the designated mailbox on the opposite end of the synchronization channel. The highest threat from this vulnerability is to data confidentiality and integrity.
受影響套件(2)
- Debian/isyncfrom 0, < 1.3.0-2.1
- Debian/isyncfrom 0, < 1.2.1-2+deb9u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |