PT-2018-6256 · Ruby · Ox

Clod81 · Published 2018-02-26 · Updated 2019-10-03 · CVE-2017-16229

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Ox gem version 2.8.1

Description: The issue is related to a stack-based buffer over-read in the read from str function in sax buf.c when a crafted input is supplied to sax parse. This can cause the process to crash.

Recommendations: For Ox gem version 2.8.1, consider avoiding the use of the sax parse function with crafted inputs until a patch is available. As a temporary workaround, restrict the input supplied to sax parse to prevent potential crashes. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-16229

GHSA-WFWM-CHJ7-W59R

Affected Products

Ox

References · 12

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ox/CVE-2017-16229.yml · Exploit
• 🔥 https://github.com/ohler55/ox/issues/195 · Exploit
• https://ubuntu.com/security/CVE-2017-16229 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-16229 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-16229 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-wfwm-chj7-w59r · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-16229 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-16229 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-16229 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-16229 · Vendor Advisory
• https://github.com/ohler55/ox · Note
• https://rubygems.org/gems/ox/versions/2.8.1 · Note