PT-2019-18079 · Libyaml+2 · Yaml-Cpp+2
CVSS v3.1
6.5
Média
| Vetor | AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
yaml-cpp (aka LibYaml-C++) version 0.6.2
Description
An issue in singledocparser.cpp causes a stack exhaustion problem due to recursive stack frames in functions like HandleCompactMap, HandleMap, HandleFlowSequence, HandleSequence, and HandleNode. This could allow remote attackers to cause a denial-of-service.
Recommendations
For yaml-cpp (aka LibYaml-C++) version 0.6.2, consider disabling the recursive parsing functionality in singledocparser.cpp as a temporary workaround until a patch is available. Restrict access to the HandleCompactMap, HandleMap, HandleFlowSequence, HandleSequence, and HandleNode functions to minimize the risk of exploitation.
Exploit
Correção
DoS
Uncontrolled Recursion
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Suse
Yaml-Cpp