PT-2017-18920 · Yara · Yara

Fumfel · CVE-2017-9438 · Publicado 2017-06-05 · Atualizado 2026-03-09

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:N/A:H

Name of the Vulnerable Software and Affected Versions YARA version 3.5.0

Description The issue allows remote attackers to cause a denial of service, specifically stack consumption, via a crafted rule involving hex strings. This is due to the mishandling of the rule in the yr re emit function within the regexp module of the affected software.

Recommendations For YARA version 3.5.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Uncontrolled Recursion

Enumeração de Fraquezas

CWE-674

Identificadores relacionados

CVE-2017-9438

USN-8080-1

Produtos afetados

Yara

Referências · 31

• https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7 · Correção
• https://github.com/VirusTotal/yara/issues/674 · Correção
• https://security-tracker.debian.org/tracker/CVE-2017-9438 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-8080-1 · Aviso do Fabricante
• https://t.me/cvenotify/14139 · Publicação no Telegram
• https://ubuntu.com/security/CVE-2017-11328 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2017-9438 · Nota de Segurança
• https://ubuntu.com/security/CVE-2017-5924 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-12035 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-9438 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2021-3402 · Aviso do Fabricante
• https://osv.dev/vulnerability/USN-8080-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-9304 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-19975 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-9438 · Aviso do Fabricante