PT-2019-14585 · Zulip · Zulip Server

CVE-2019-16215 · Publicado 2019-09-18 · Atualizado 2024-02-08

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Zulip server versions prior to 2.0.5

Description The issue concerns the Markdown parser in the Zulip server, which used a regular expression vulnerable to exponential backtracking. This could allow a logged-in user to send a crafted message, causing the server to spend an arbitrary amount of CPU time and stall the processing of future messages.

Recommendations For versions prior to 2.0.5, update to version 2.0.5 or later to resolve the issue.

Correção

DoS

Enumeração de Fraquezas

CWE-1333

Identificadores relacionados

CVE-2019-16215

Produtos afetados

Zulip Server

Referências · 4

• https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51 · Correção
• https://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2019-16215 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2019-16215 · Aviso do Fabricante