CVE-2021-20349 Memory corruption in Workload Scheduler
A local attacker can exploit a stack-based buffer overflow in IBM Tivoli Workload Scheduler to gain lower level privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20349?
CVE-2021-20349 is a medium-severity memory corruption vulnerability in IBM Workload Scheduler, published on 9 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.
Weakness: CWE-787
Which versions are affected by CVE-2021-20349?
It affects 1 product.
Products include Ibm Tivoli Workload Scheduler.
How do I fix CVE-2021-20349?
No fix has been published for CVE-2021-20349 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-20349 being exploited?
There is no known exploitation of CVE-2021-20349 in the wild and no public exploit code.
Other vulnerabilities in IBM Workload Scheduler
- CVE-2022-22486 IBM Tivoli Workload Scheduler XML external entity injection
- CVE-2019-4031 Privilege escalation in Workload Scheduler Distributed
- CVE-2018-1386 Privilege escalation in Workload Scheduler
- CVE-2022-38389 IBM Tivoli Workload Scheduler XML external entity injection
- CVE-2019-4608 Cross-site scripting in Workload Scheduler
Sources
Also known as GHSA-73rp-2374-fcqg.