CVE-2019-9748 Information disclosure in n/a
A crafted packet in tinysvcmdns allows arbitrary memory read and potential crashes, affecting users of this unmaintained library.
- 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-2019-9748?
CVE-2019-9748 is a critical vulnerability in n/a, published on 13 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In tinysvcmdns through 2018-01-16, an mDNS server processing a crafted packet can perform arbitrary data read operations up to 16383 bytes from the start of the buffer. This can lead to a segmentation fault in uncompress_nlabel in mdns.c and a crash of the server (depending on the memory protection of the CPU and the operating system), or disclosure of memory content via error messages or a server response. NOTE: the product's web site states "This project is un-maintained, and has been since 2013. ... There are known vulnerabilities ... You are advised to NOT use this library for any new projects / products."
Weakness: CWE-125
Which versions are affected by CVE-2019-9748?
It affects 1 product.
Products include Tinysvcmdns Project Tinysvcmdns.
How do I fix CVE-2019-9748?
No fix has been published for CVE-2019-9748 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-9748 being exploited?
There is no known exploitation of CVE-2019-9748 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7425-crxp-55qx.