PT-2017-14824 · Tex Users+1 · Tex Live+1

Publicado 2017-12-14 · Atualizado 2018-01-02 · CVE-2017-17513

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 TeX Live versions through 20170524

Description The issue is related to the lack of validation of strings before launching the program specified by the BROWSER environment variable. This could allow remote attackers to conduct argument-injection attacks via a crafted URL. The affected files include linked scripts/context/stubs/unix/mtxrun, texmf-dist/scripts/context/stubs/mswin/mtxrun.lua, and texmf-dist/tex/luatex/lualibs/lualibs-os.lua.

Recommendations For TeX Live versions through 20170524, consider validating strings before launching the program specified by the BROWSER environment variable to prevent argument-injection attacks. As a temporary workaround, restrict the use of the BROWSER environment variable until a patch is available.

Correção

Special Elements Injection

Enumeração de Fraquezas

CWE-74

Identificadores relacionados

CVE-2017-17513

Produtos afetados

Debian

Tex Live

Referências · 10

• https://osv.dev/vulnerability/CVE-2017-17513 · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-17513 · Aviso do Fabricante
• https://sources.debian.org/src/texlive-base/2017.20171128-1/texmf-dist/tex/luatex/lualibs/lualibs-os.lua/#L153 · Nota
• https://security-tracker.debian.org/tracker/CVE-2017-17513 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-17513 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-17513 · Aviso do Fabricante
• https://sources.debian.org/src/texlive-bin/2016.20160513.41080.dfsg-2/texk/texlive/linked_scripts/context/stubs/unix/mtxrun/#L3004 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2017-17513 · Nota de Segurança
• https://sources.debian.org/src/context/2017.05.15.20170613-2/texmf-dist/scripts/context/stubs/mswin/mtxrun.lua/?hl=3424#L3424 · Nota
• https://cve.org/CVERecord?id=CVE-2017-17513 · Nota de Segurança