CVE-2020-4956 Denial of service in Spectrum Protect Operations Center
Remote attackers can exhaust memory resources in IBM Spectrum Protect Operations Center by manipulating cache values, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-4956?
CVE-2020-4956 is a medium-severity denial of service vulnerability in IBM Spectrum Protect Operations Center, published on 15 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Spectrum Protect Operations Center 7.1 and 8.1 is vulnerable to a denial of service, caused by a RPC that allows certain cache values to be set and dumped to a file. By setting a grossly large cache value and dumping that cached value to a file multiple times, a remote attacker could exploit this vulnerability to cause the consumption of all memory resources. IBM X-Force ID: 192156.
Weakness: CWE-400
Which versions are affected by CVE-2020-4956?
It affects 1 product.
Products include Ibm Spectrum Protect Operations Center.
How do I fix CVE-2020-4956?
No fix has been published for CVE-2020-4956 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-2020-4956 being exploited?
There is no known exploitation of CVE-2020-4956 in the wild and no public exploit code.
Other vulnerabilities in IBM Spectrum Protect Operations Center
Sources
Also known as GHSA-94wm-8j6r-283r.