PT-2011-2904 · Digium · Asterisknow+3
Matthew Nicholson
·
Publicado
2011-03-15
·
Atualizado
2011-08-24
·
CVE-2011-1147
CVSS v2.0
6.8
Média
| Vetor | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Name of the Vulnerable Software and Affected Versions
Asterisk Open Source versions 1.4.x through 1.4.39.1
Asterisk Open Source versions 1.6.1.x through 1.6.1.21
Asterisk Open Source versions 1.6.2.x through 1.6.2.16.1
Asterisk Open Source versions 1.8.x through 1.8.2.3
Asterisk Business Edition C.x.x through C.3.6.2
AsteriskNOW version 1.5
s800i (Asterisk Appliance)
Description
The issue is caused by multiple stack-based and heap-based buffer overflows in the
decode open type and udptl rx packet functions in main/udptl.c, which can be exploited by remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet when T.38 support is enabled.Recommendations
For Asterisk Open Source versions 1.4.x through 1.4.39.1, update to version 1.4.39.2 or later.
For Asterisk Open Source versions 1.6.1.x through 1.6.1.21, update to version 1.6.1.22 or later.
For Asterisk Open Source versions 1.6.2.x through 1.6.2.16.1, update to version 1.6.2.16.2 or later.
For Asterisk Open Source versions 1.8.x through 1.8.2.3, update to version 1.8.2.4 or later.
For Asterisk Business Edition C.x.x through C.3.6.2, update to version C.3.6.3 or later.
For AsteriskNOW version 1.5, consider upgrading to a newer version.
For s800i (Asterisk Appliance), update to a patched version or apply the recommended fix.
Correção
DoS
Buffer Overflow
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Asterisk Business Edition
Asterisk Open Source
Asterisknow
S800I