CVE-2017-7295 Use after free in n/a
A use-after-free in Contiki OS httpd causes a NULL pointer dereference and board crash, allowing attackers to perform 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-2017-7295?
CVE-2017-7295 is a high-severity use after free vulnerability in n/a, published on 28 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Contiki Operating System 3.0. A use-after-free vulnerability exists in httpd-simple.c in cc26xx-web-demo httpd, where upon a connection close event, the http_state structure was not deallocated properly, resulting in a NULL pointer dereference in the output processing function. This resulted in a board crash, which can be used to perform denial of service.
Weakness: CWE-416
Which versions are affected by CVE-2017-7295?
It affects 1 product.
Products include Contiki-Os Contiki.
How do I fix CVE-2017-7295?
No fix has been published for CVE-2017-7295 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-7295 being exploited?
There is no known exploitation of CVE-2017-7295 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gxqp-9c84-pvrg.