CVE-2021-29693 Denial of service in AIX
A local user with elevated group privileges can cause a denial of service in the lpd daemon on IBM AIX and VIOS systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29693?
CVE-2021-29693 is a medium-severity denial of service vulnerability in Ibm Aix, published on 28 Jun 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon. IBM X-Force ID: 200255.
Which versions are affected by CVE-2021-29693?
It affects 2 products.
How do I fix CVE-2021-29693?
No fix has been published for CVE-2021-29693 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-29693 being exploited?
There is no known exploitation of CVE-2021-29693 in the wild and no public exploit code.
Other vulnerabilities in Ibm Aix
Sources
Also known as GHSA-q3r7-343c-xpjw.