Input validation error in ox - CVE-2017-15928
Published: October 27, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38009
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-15928
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Affected software
ox
Fedora
rubygem-ox
Fedora
rubygem-ox
How to mitigate CVE-2017-15928
Install update from vendor's website.
rubygem-ox - addressed in versions 2.4.11-3.el7, 2.4.13-2.fc26, 2.8.2-1.fc27