Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in Open-Xchange OX Guard before 2.4.0-rev8. OX Guard uses an authentication token to identify and transfer guest users' credentials. The OX Guard API acts as a padding oracle by responding with different error codes depending on whether the provided token matches the encryption padding. In combination with AES-CBC, this allows attackers to guess the correct padding. Attackers may run brute-forcing attacks on the content of the guest authentication token and discover user credentials. For a practical attack vector, the guest users needs to have logged in, the content of the guest user's "OxReaderID" cookie and the value of the "auth" parameter needs to be known to the attacker.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Open-Xchange OX Guard 信息泄露漏洞
Vulnerability Description
Open-Xchange OX Guard是美国Open-Xchange公司的一套针对电子邮件和文件的安全防护软件。 Open-Xchange OX Guard 2.4.0-rev8之前的版本中存在安全漏洞。攻击者可利用该漏洞发起暴力解码攻击，获取用户证书。
CVSS Information
N/A
Vulnerability Type
N/A