Vulnerability Information
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Vulnerability Title
graylog2-server Session Fixation vulnerability through cookie injection
Vulnerability Description
Graylog is a free and open log management platform. Starting in version 4.3.0 and prior to versions 5.1.11 and 5.2.4, reauthenticating with an existing session cookie would re-use that session id, even if for different user credentials. In this case, the pre-existing session could be used to gain elevated access to an existing Graylog login session, provided the malicious user could successfully inject their session cookie into someone else's browser. The complexity of such an attack is high, because it requires presenting a spoofed login screen and injection of a session cookie into an existing browser, potentially through a cross-site scripting attack. No such attack has been discovered. Graylog 5.1.11 and 5.2.4, and any versions of the 6.0 development branch, contain patches to not re-use sessions under any circumstances. Some workarounds are available. Using short session expiration and explicit log outs of unused sessions can help limiting the attack vector. Unpatched this vulnerability exists, but is relatively hard to exploit. A proxy could be leveraged to clear the `authentication` cookie for the Graylog server URL for the `/api/system/sessions` endpoint, as that is the only one vulnerable.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
Vulnerability Type
会话固定
Vulnerability Title
Graylog 授权问题漏洞
Vulnerability Description
Graylog是美国Graylog公司的一套集中式日志管理解决方案。该产品支持捕获、存储和实时分析日志等。 Graylog 4.3.0至5.2.3版本存在授权问题漏洞，该漏洞源于存在cookie注入漏洞。
CVSS Information
N/A
Vulnerability Type
N/A