Description
A flaw was discovered in FasterXML jackson-databind in all versions before 2.9.10 and 2.10.0, where it would permit polymorphic deserialization of malicious objects using the xalan JNDI gadget when used in conjunction with polymorphic type handling methods such as `enableDefaultTyping()` or when @JsonTypeInfo is using `Id.CLASS` or `Id.MINIMAL_CLASS` or in any other way which ObjectMapper.readValue might instantiate objects from unsafe sources. An attacker could use this flaw to execute arbitrary code.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- Red Hat / jackson-databind2.9.10 – 2.9.10
- Red Hat / jackson-databind2.10.0 – 2.10.0
References
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2020:0729
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpujul2020.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14893
- MISChttps://github.com/FasterXML/jackson-databind/issues/2469
- MISChttps://security.netapp.com/advisory/ntap-20200327-0006/
- MAILING_LISThttps://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- MAILING_LISThttps://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3E
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpuoct2020.html