PT-2020-8031 · Ruby · Ruby

Published 2020-02-14 · Updated 2023-03-01 · CVE-2016-2338

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Ruby (affected versions not specified)

Description: A heap overflow issue exists in the Psych::Emitter start document function of Ruby. The heap buffer head allocation is based on the tags array length. A specially constructed object passed as an element of the tags array can increase the array size after the allocation, causing a heap overflow.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2016-2338

DLA-2158-1

Affected Products

Ruby

References · 11

• 🔥 http://talosintelligence.com/reports/TALOS-2016-0032 · Exploit
• https://osv.dev/vulnerability/CVE-2016-2338 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-2338 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-2338 · Security Note
• https://osv.dev/vulnerability/DLA-2158-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2338 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-2338 · Security Note
• https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html · Note
• https://security.netapp.com/advisory/ntap-20221228-0005 · Note
• https://t.me/cvenotify/40930 · Telegram Post
• https://t.me/cibsecurity/50651 · Telegram Post