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GHSA-4whx-7p29-mq22
No affected components available
Impact
Under certain conditions, an attacker can construct malicious authentication requests to bypass the authentication process, resulting in privilege escalation or unauthorized access. Only users using TiDB 5.3.0 are affected by this vulnerability.
Patches
Please upgrade to TiDB 5.3.1 or higher version
Workarounds
You can also mitigate risks by taking the following measures. Option 1: Turn off SEM (Security Enhanced Mode). Option 2: Disable local login for non-root accounts and ensure that the same IP cannot be logged in as root or normal user at the same time.
References
https://en.pingcap.com/download/
For more information
If you have any questions or comments about this advisory:
- Email us at security@tidb.io
The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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