PT-2018-13970 · Sangoma · Asterisk
Sean Bright
·
Publicado
2018-09-24
·
Atualizado
2019-10-03
·
CVE-2018-17281
CVSS v3.1
7.5
Alta
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Asterisk versions 13.23.0 and earlier, 14.7.x through 14.7.7, 15.x through 15.6.0
Certified Asterisk versions 13.21-cert2 and earlier
Description
The issue is related to a stack consumption vulnerability in the res http websocket.so module. It can be exploited by an attacker via a specially crafted HTTP request to upgrade the connection to a websocket, potentially crashing Asterisk.
Recommendations
For Asterisk versions 13.23.0 and earlier, update to a version later than 13.23.0 to resolve the issue.
For Asterisk versions 14.7.x through 14.7.7, update to a version later than 14.7.7 to resolve the issue.
For Asterisk versions 15.x through 15.6.0, update to a version later than 15.6.0 to resolve the issue.
For Certified Asterisk versions 13.21-cert2 and earlier, update to a version later than 13.21-cert2 to resolve the issue.
Correção
Resource Exhaustion
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Asterisk