CVE-2021-33632 TOCTOU Race Condition problem in iSulad
A TOCTOU race condition in iSulad allows attackers to exploit timing gaps, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-33632?
CVE-2021-33632 is a high-severity vulnerability in openEuler iSulad, published on 25 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in openEuler iSulad on Linux allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This vulnerability is associated with program files https://gitee.Com/openeuler/iSulad/blob/master/src/cmd/isulad/main.C.
This issue affects iSulad: 2.0.18-13, from 2.1.4-1 through 2.1.4-2.
Weakness: CWE-367
Which versions are affected by CVE-2021-33632?
How do I fix CVE-2021-33632?
Apply the vendor's patch.
Is CVE-2021-33632 being exploited?
There is no known exploitation of CVE-2021-33632 in the wild and no public exploit code.
Sources
Also known as GHSA-mrfq-6jmf-4q53, OESA-2024-1287, OESA-2024-1289, OESA-2024-1290, OESA-2024-1307.