CVE-2017-7303 Null dereference in n/a
An attacker can cause a denial of service by triggering a null pointer dereference in the BFD library's find_link function during binary processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7303?
CVE-2017-7303 is a high-severity vulnerability in Gnu Binutils, published on 29 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read (of size 4) because of missing a check (in the find_link function) for null headers before attempting to match them. This vulnerability causes Binutils utilities like strip to crash.
Weakness: CWE-125
Which versions are affected by CVE-2017-7303?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-7303?
Apply the vendor's patch.
Is CVE-2017-7303 being exploited?
There is no known exploitation of CVE-2017-7303 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-7303, GHSA-2qxc-885r-78rq.