CVE-2017-7226 Information disclosure in n/a
A heap-based buffer over-read in the BFD library allows attackers to cause crashes or disclose sensitive information via crafted binary files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7226?
CVE-2017-7226 is a critical vulnerability in Gnu Binutils, published on 22 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The pe_ILF_object_p function in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to a heap-based buffer over-read of size 4049 because it uses the strlen function instead of strnlen, leading to program crashes in several utilities such as addr2line, size, and strings. It could lead to information disclosure as well.
Weakness: CWE-125
Which versions are affected by CVE-2017-7226?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-7226?
Apply the vendor's patch.
Is CVE-2017-7226 being exploited?
There is no known exploitation of CVE-2017-7226 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-7226, GHSA-gfmx-5h2c-grrx, UBUNTU-CVE-2017-7226.