CVE-2021-36762 Information disclosure in n/a
An attacker can read out-of-bounds memory via a malformed TFTP packet in HCC Embedded NicheStack, potentially exposing sensitive data.
- 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-2021-36762?
CVE-2021-36762 is a high-severity vulnerability in n/a, published on 19 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in HCC Embedded InterNiche NicheStack through 4.3. The tfshnd():tftpsrv.c TFTP packet processing function doesn't ensure that a filename is adequately '\0' terminated; therefore, a subsequent call to strlen for the filename might read out of bounds of the protocol packet buffer (if no '\0' byte exists within a reasonable range).
Which versions are affected by CVE-2021-36762?
It affects 1 product.
Products include Hcc-Embedded Nichestack.
How do I fix CVE-2021-36762?
No fix has been published for CVE-2021-36762 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36762 being exploited?
There is no known exploitation of CVE-2021-36762 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xj6g-7vq6-3mcm.