PT-2019-15698 · Ruby · Json-Jwt

Nov · Publicado 2019-11-12 · Atualizado 2025-01-07 · CVE-2019-18848

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions json-jwt gem versions prior to 1.11.0

Description The issue is related to the json-jwt gem for Ruby, where it lacks an element count during the splitting of a JWE string. This lack of element count can lead to potential security issues.

Recommendations For versions prior to 1.11.0, update to version 1.11.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of JWE strings until the update is applied.

Exploit

Correção

Improper Authentication

Enumeração de Fraquezas

CWE-287

Identificadores relacionados

CVE-2019-18848

DLA-2390-1

GHSA-CFF7-6H4Q-Q5PJ

OPENSUSE-SU-2025:0004-1

Produtos afetados

Json-Jwt

Referências · 25

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2019-18848.yml · Exploit
• https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a · Correção
• https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0 · Correção
• https://github.com/nov/json-jwt · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-18848 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/DLA-2390-1 · Aviso do Fabricante
• https://bugzilla.suse.com/1220727 · Nota
• https://bugzilla.suse.com/1156649 · Nota
• https://lists.opensuse.org/archives/list/[e-mail]/thread/FICWL2K7EGMUBVQ6CHEQYANYFEU4XBG4 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2019-18848 · Nota de Segurança
• https://security-tracker.debian.org/tracker/CVE-2019-18848 · Aviso do Fabricante
• https://osv.dev/vulnerability/openSUSE-SU-2025:0004-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/GHSA-cff7-6h4q-q5pj · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-18848 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2019-18848 · Aviso do Fabricante