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CVE-2018-7489 is an unsafe polymorphic deserialization vulnerability in FasterXML jackson-databind and an incomplete fix for CVE-2017-7525. A blacklist intended to prevent dangerous types can be bypassed using a c3p0 deserialization gadget when c3p0 classes are available to the application. Malicious JSON supplied to ObjectMapper.readValue can cause attacker-selected objects to be instantiated. Vulnerable configurations include enableDefaultTyping(), @JsonTypeInfo configured with Id.CLASS or Id.MINIMAL_CLASS, and other paths that allow ObjectMapper to resolve attacker-controlled polymorphic types.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An incomplete fix for CVE-2017-7525 that permits unsafe serialization through c3p0 libraries.
A Jackson Databind incomplete fix that permits unsafe serialization through c3p0 libraries.
A Jackson-databind unsafe serialization vulnerability involving c3p0 libraries, caused by an incomplete prior fix.
A jackson-databind unsafe deserialization issue in which an incomplete fix for CVE-2017-7525 permits unsafe serialization through c3p0 libraries.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.