CVE-2017-15928 Ox gem crashes due to a crafted input
A crafted input causes a segmentation fault in the Ox gem, leading to a denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15928?
CVE-2017-15928 is a high-severity denial of service vulnerability in n/a, published on 27 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Ox gem 2.8.0 for Ruby, the process crashes with a segmentation fault when a crafted input is supplied to parse_obj. NOTE: the vendor has stated "Ox should handle the error more gracefully" but has not confirmed a security implication.
Weakness: CWE-20
Which versions are affected by CVE-2017-15928?
2 open source packages ship an affected version, including ox. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ox RubyGems | All versions | 2.8.1 |
ox RubyGems | All versions | 2.8.1 |
Products include Ox Project Ox.
How do I fix CVE-2017-15928?
Upgrade ox to 2.8.1 or later.
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-2017-15928 being exploited?
There is no known exploitation of CVE-2017-15928 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-15928, GHSA-pjj4-w39g-pw54, MGASA-2019-0123, UBUNTU-CVE-2017-15928.