PT-2017-18946 · Ytnef+2 · Ytnef+2

Agostino Sarubbo · Publicado 2017-06-07 · Atualizado 2019-10-03 · CVE-2017-9473

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions ytnef version 1.9.2

Description The issue allows remote attackers to cause a denial of service, specifically memory consumption, by using a crafted file. This is related to the TNEFFillMapi function in lib/ytnef.c.

Recommendations For ytnef version 1.9.2, consider avoiding the use of the TNEFFillMapi function until a patch is available. As a temporary workaround, restrict the processing of crafted files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Correção

Identificadores relacionados

ALT-PU-2018-2051

CVE-2017-9473

USN-3667-1

Produtos afetados

Alt Linux

Ubuntu

Ytnef

Referências · 33

• 🔥 https://blogs.gentoo.org/ago/2017/05/24/ytnef-memory-allocation-failure-in-tneffillmapi-ytnef-c · Exploit
• https://github.com/Yeraze/ytnef/issues/47 · Nota
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12141 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2017-9473 · Nota de Segurança
• https://blogs.gentoo.org/ago/2017/05/24/ytnef-heap-based-buffer-overflow-in-decompressrtf-ytnef-c · Nota
• https://blogs.gentoo.org/ago/2017/05/24/ytnef-heap-based-buffer-overflow-in-swapdword-ytnef-c · Nota
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-12141 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-9473 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9474 · Nota de Segurança
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-9473 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-9471 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12142 · Nota de Segurança
• https://ubuntu.com/security/CVE-2017-9146 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2017-9473 · Aviso do Fabricante