PT-2017-4257 · Ruby+5 · Yajl-Ruby+5

Clod81 · Published 2017-11-02 · Updated 2025-02-21 · CVE-2017-16516

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions yajl-ruby gem version 1.3.0

Description The issue is related to insufficient processing of a format string in the yajl string decode function of the yajl encode.c component in the YAJL-ruby JSON library. When a crafted JSON file is supplied to Yajl::Parser.new.parse, the whole ruby process crashes with a SIGABRT, resulting in the termination of the ruby process and potentially a denial of service.

Recommendations For yajl-ruby gem version 1.3.0, consider avoiding the use of the Yajl::Parser.new.parse function with untrusted JSON files until a patch is available. As a temporary workaround, restrict the input to this function to prevent the exploitation of this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Use of Externally-Controlled Format String

Weakness Enumeration

CWE-134

Related Identifiers

ALT-PU-2023-4612

BDU:2023-07604

CVE-2017-16516

DLA-1167-1

DLA-3492-1

DLA-3516-1

GHSA-WWH7-4JW9-33X6

MGASA-2024-0066

OESA-2025-1156

USN-6233-1

USN-6233-2

Affected Products

Alt Linux

Astra Linux

Debian

Linuxmint

Ubuntu

Yajl-Ruby

References · 42

• 🔥 https://github.com/brianmario/yajl-ruby/issues/176 · Exploit
• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/yajl-ruby/CVE-2017-16516.yml · Exploit
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3516-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-16516 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3492-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DLA-3516-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-33460 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6233-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-16516 · Security Note
• https://bdu.fstec.ru/vul/2023-07604 · Security Note
• https://ubuntu.com/security/notices/USN-6233-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-16516 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6233-2 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-16516 · Vendor Advisory