Vulnerability Information
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Vulnerability Title
Archive spoofing vulnerability in borgbackup
Vulnerability Description
borgbackup is an opensource, deduplicating archiver with compression and authenticated encryption. A flaw in the cryptographic authentication scheme in borgbackup allowed an attacker to fake archives and potentially indirectly cause backup data loss in the repository. The attack requires an attacker to be able to: 1. insert files (with no additional headers) into backups and 2. gain write access to the repository. This vulnerability does not disclose plaintext to the attacker, nor does it affect the authenticity of existing archives. Creating plausible fake archives may be feasible for empty or small archives, but is unlikely for large archives. The issue has been fixed in borgbackup 1.2.5. Users are advised to upgrade. Additionally to installing the fixed code, users must follow the upgrade procedure as documented in the change log. Data loss after being attacked can be avoided by reviewing the archives (timestamp and contents valid and as expected) after any "borg check --repair" and before "borg prune". There are no known workarounds for this vulnerability.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
BorgBackup 数据伪造问题漏洞
Vulnerability Description
BorgBackup是通过压缩和加密进行重复数据删除的归档程序。 BorgBackup 1.2.5之前版本存在数据伪造问题漏洞，该漏洞源于BorgBackup中的加密身份验证方案中存在缺陷，允许攻击者伪造存档并可能间接导致存储库中的备份数据丢失。
CVSS Information
N/A
Vulnerability Type
N/A