CVE-2019-12480 Denial of service in n/a
An unauthenticated remote attacker can crash the BACnet service daemon via malformed packets, causing a denial of service.
- 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-2019-12480?
CVE-2019-12480 is a high-severity denial of service vulnerability in n/a, published on 30 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.
Weakness: CWE-125
Which versions are affected by CVE-2019-12480?
It affects 1 product.
Products include Bacnet Protocol Stack Project Bacnet Protocol Stack.
How do I fix CVE-2019-12480?
No fix has been published for CVE-2019-12480 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-2019-12480 being exploited?
There is no known exploitation of CVE-2019-12480 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cc8w-j726-c7gj.