PT-2017-14831 · Tin+2 · Tin+2

CVE-2017-17520 · Publicado 2017-12-14 · Atualizado 2024-08-05

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions TIN version 2.4.1

Description The issue concerns the tools/url handler.pl script in TIN, which does not validate strings before launching the program specified by the BROWSER environment variable. This might allow remote attackers to conduct argument-injection attacks via a crafted URL. It is noted that this behavior might be intentional, as the documentation states that url handler.pl was designed to work with TIN, which only issues shell-escaped absolute URLs.

Recommendations For TIN version 2.4.1, consider validating strings before launching the program specified by the BROWSER environment variable to prevent potential argument-injection attacks. As a temporary workaround, restrict the use of the BROWSER environment variable to minimize the risk of exploitation.

Correção

Special Elements Injection

Enumeração de Fraquezas

CWE-74

Identificadores relacionados

ALT-PU-2017-3594

CVE-2017-17520

Produtos afetados

Alt Linux

Debian

Tin

Referências · 10

• https://osv.dev/vulnerability/CVE-2017-17520 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2017-17520 · Nota de Segurança
• https://cve.org/CVERecord?id=CVE-2017-17520 · Nota de Segurança
• https://security-tracker.debian.org/tracker/CVE-2017-17520 · Aviso do Fabricante
• https://t.me/cvenotify/89286 · Publicação no Telegram
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-17520 · Aviso do Fabricante
• https://t.me/cvenotify/87162 · Publicação no Telegram
• https://sources.debian.org/src/tin/1:2.4.1-1/tools/url_handler.pl/?hl=120#L120 · Nota
• https://t.me/cvenotify/88224 · Publicação no Telegram
• https://ubuntu.com/security/CVE-2017-17520 · Aviso do Fabricante