CVE-2021-39048 Memory corruption in Spectrum Protect
A local attacker can exploit a stack-based buffer overflow in the IBM Spectrum Protect Client to cause a denial of service.
- 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-2021-39048?
CVE-2021-39048 is a medium-severity memory corruption vulnerability in IBM Spectrum Protect, published on 13 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Spectrum Protect Client 7.1 and 8.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 214438.
Weakness: CWE-787
Which versions are affected by CVE-2021-39048?
It affects 2 products.
Products include Ibm Spectrum Protect Backup-Archive Client, Ibm Spectrum Protect for Space Management.
How do I fix CVE-2021-39048?
No fix has been published for CVE-2021-39048 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-2021-39048 being exploited?
There is no known exploitation of CVE-2021-39048 in the wild and no public exploit code.
Other vulnerabilities in IBM Spectrum Protect
- CVE-2023-28956 IBM Spectrum Protect Backup-Archive Client privilege escalation
- CVE-2021-20532 Privilege escalation in Spectrum Protect for Virtual Environments
- CVE-2018-1853 Cross-site scripting in Spectrum Protect
- CVE-2018-1787 Information disclosure in Spectrum Protect
- CVE-2018-1882 Information disclosure in Spectrum Protect
Sources
Also known as GHSA-4h4x-cgp7-h27m.