PT-2012-1556 · Netbsd Foundation+1 · Netbsd+1

Marc Heuse · Publicado 2012-02-02 · Atualizado 2020-02-20 · CVE-2011-2393

Positive Technologies (AI Summary)

CVSS v2.0

7.8

Alta

Vetor base

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FreeBSD (affected versions not specified) NetBSD (affected versions not specified)

Description The issue affects the Neighbor Discovery protocol implementation in the IPv6 stack, allowing remote attackers to cause a denial of service by sending many Router Advertisement messages with different source addresses. This results in CPU consumption and device hang.

Recommendations For FreeBSD, update to a version that includes a fix for this issue. For NetBSD, update to a version that includes a fix for this issue. As a temporary workaround, consider restricting access to the IPv6 stack to minimize the risk of exploitation.

Correção

Enumeração de Fraquezas

CWE-399

Identificadores relacionados

CVE-2011-2393

Produtos afetados

Freebsd

Netbsd

Referências · 7

• https://nvd.nist.gov/vuln/detail/CVE-2011-2393 · Nota de Segurança
• https://ubuntu.com/security/CVE-2011-2393 · Aviso do Fabricante
• https://t.me/cibsecurity/9974 · Publicação no Telegram
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-2393 · Aviso do Fabricante
• http://seclists.org/fulldisclosure/2011/Apr/86 · Nota
• http://mh-sec.de/downloads/mh-RA_flooding_CVE-2010-multiple.txt · Nota
• https://cve.org/CVERecord?id=CVE-2011-2393 · Nota de Segurança