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Authentication Manager Engineering Response to CVE-2018-7489, CVE-2022-42004 & CVE-2022-42003 in Oracle CPUJAN2023
Description
FasterXML jackson-databind before 2.8.11.1 and 2.9.x before 2.9.5 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 deserialization flaw. This is exploitable by sending maliciously crafted JSON input to the readValue method of the ObjectMapper, bypassing a blacklist that is ineffective if the c3p0 libraries are available in the classpath.
Description
In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer._deserializeFromArray to prevent use of deeply nested arrays. An application is vulnerable only with certain customized choices for deserialization.
Response: The flaw exists but cannot be exploited.
The RSA Authentication Manager does not use this feature. The setting "DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS" is required for the issues but not used in AM.
CVE-2022-42003
Description
In FasterXML jackson-databind before 2.14.0-rc1, resource exhaustion can occur because of a lack of a check in primitive value deserializers to avoid deep wrapper array nesting, when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled. Additional fix version in 2.13.4.1 and 2.12.17.1
Response: The flaw exists but cannot be exploited.
The RSA Authentication Manager does not use this feature. The setting "DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS" is required for the issues but not used in AM.
