CVE-2017-11697 Denial of service in n/a
Attackers can cause a crash in Mozilla NSS via a crafted cert8.db file, leading to 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
- Available
What is CVE-2017-11697?
CVE-2017-11697 is a high-severity denial of service vulnerability in Mozilla Network Security Services, published on 27 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The __hash_open function in hash.c:229 in Mozilla Network Security Services (NSS) allows context-dependent attackers to cause a denial of service (floating point exception and crash) via a crafted cert8.db file.
Weakness: CWE-119
Which versions are affected by CVE-2017-11697?
It affects 1 product.
Products include Mozilla Network Security Services.
How do I fix CVE-2017-11697?
Apply the vendor's patch.
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-2017-11697 being exploited?
There is no known exploitation of CVE-2017-11697 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Network Security Services
Sources
Also known as DEBIAN-CVE-2017-11697, ECHO-6387-473d-9bba, GHSA-qc6x-5778-fhxh, UBUNTU-CVE-2017-11697.