PT-2011-2390 · Tor · Tor

Debuger · Publicado 2011-01-19 · Atualizado 2017-08-17 · CVE-2011-0491

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.2.1.29 Tor versions 0.2.2.x prior to 0.2.2.21-alpha

Description The issue is related to the tor realloc function, which does not validate a certain size value during memory allocation. This could allow remote attackers to cause a denial of service, resulting in a daemon crash, via unspecified vectors. The problem is related to underflow errors.

Recommendations For Tor versions prior to 0.2.1.29, update to version 0.2.1.29 or later. For Tor versions 0.2.2.x prior to 0.2.2.21-alpha, update to version 0.2.2.21-alpha or later.

Correção

DoS

RCE

Enumeração de Fraquezas

CWE-20

Identificadores relacionados

CVE-2011-0491

DSA-2148-1

Produtos afetados

Tor

Referências · 11

• https://security-tracker.debian.org/tracker/CVE-2011-0491 · Aviso do Fabricante
• http://archives.seul.org/or/announce/Jan-2011/msg00000.html · Correção
• https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog · Correção
• https://trac.torproject.org/projects/tor/ticket/2324 · Nota
• http://xforce.iss.net/xforce/xfdb/64888 · Nota
• http://securityfocus.com/bid/45953 · Nota
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-0491 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2011-0491 · Nota de Segurança
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64888 · Nota
• https://osv.dev/vulnerability/CVE-2011-0491 · Aviso do Fabricante
• http://blog.torproject.org/blog/tor-02129-released-security-patches · Aviso do Fabricante