CVE-2013-0250 Denial of service in n/a
Remote attackers can crash Corosync by sending crafted packets due to improper HMAC key initialization, affecting cluster availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-0250?
CVE-2013-0250 is a medium-severity denial of service vulnerability in n/a, published on 6 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet.
Which versions are affected by CVE-2013-0250?
It affects 1 product.
Products include Corosync Corosync.
How do I fix CVE-2013-0250?
No fix has been published for CVE-2013-0250 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-2013-0250 being exploited?
There is no known exploitation of CVE-2013-0250 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-f3cv-gjqx-mcfh.