CVE-2017-7946 Use after free in n/a
Remote attackers can cause a denial of service via a crafted Mach0 file due to a use-after-free vulnerability in radare2.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-7946?
CVE-2017-7946 is a medium-severity use after free vulnerability in Radare Radare2, published on 18 Apr 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The get_relocs_64 function in libr/bin/format/mach0/mach0.c in radare2 1.3.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted Mach0 file.
Weakness: CWE-416
Which versions are affected by CVE-2017-7946?
It affects 1 product.
Products include Radare Radare2.
How do I fix CVE-2017-7946?
No fix has been published for CVE-2017-7946 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-7946 being exploited?
There is no known exploitation of CVE-2017-7946 in the wild and no public exploit code.
Other vulnerabilities in Radare Radare2
Sources
Also known as GHSA-9jrv-xqpr-hp3m, UBUNTU-CVE-2017-7946.