CVE-2017-7302 Denial of service in n/a
An attacker can cause a denial of service by triggering an invalid read in the BFD library, crashing utilities like strip.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7302?
CVE-2017-7302 is a high-severity denial of service 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, has a swap_std_reloc_out function in bfd/aoutx.h that is vulnerable to an invalid read (of size 4) because of missing checks for relocs that could not be recognised. This vulnerability causes Binutils utilities like strip to crash.
Weakness: CWE-125
Which versions are affected by CVE-2017-7302?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-7302?
Apply the vendor's patch.
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-2017-7302 being exploited?
There is no known exploitation of CVE-2017-7302 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-7302, GHSA-9pfw-368c-f565, UBUNTU-CVE-2017-7302.