PT-2017-14288 · Ruby · Ox

Clod81 · Published 2017-10-27 · Updated 2019-04-05 · CVE-2017-15928

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Ox gem version 2.8.0

Description The Ox gem for Ruby crashes with a segmentation fault when a crafted input is supplied to the parse obj function. The vendor has stated that Ox should handle the error more gracefully but has not confirmed a security implication.

Recommendations For Ox gem version 2.8.0, consider disabling the parse obj function until a more robust error handling mechanism is implemented to prevent the process from crashing with a segmentation fault when supplied with crafted input.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-15928

GHSA-PJJ4-W39G-PW54

MGASA-2019-0123

Affected Products

Ox

References · 16

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ox/CVE-2017-15928.yml · Exploit
• 🔥 https://github.com/ohler55/ox/issues/194 · Exploit
• https://osv.dev/vulnerability/MGASA-2019-0123 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-15928 · Security Note
• https://osv.dev/vulnerability/GHSA-pjj4-w39g-pw54 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-15928 · Security Note
• https://osv.dev/vulnerability/CVE-2017-15928 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15928 · Vendor Advisory
• https://rubygems.org/gems/ox/versions/2.8.0 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-15928 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-15928 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-15928 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/OK6EYA4PVGIWEVEFBF2JSYUCEO7HG7FS · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0123.html · Security Note
• https://github.com/ohler55/ox · Note