CVE-2019-17531 Information

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the apache-log4j-extra (version 1.2.x) jar in the classpath and an attacker can provide a JNDI service to access it is possible to make the service execute a malicious payload.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2019:4192 https://access.redhat.com/errata/RHSA-2020:0159 https://access.redhat.com/errata/RHSA-2020:0160 https://access.redhat.com/errata/RHSA-2020:0161 https://access.redhat.com/errata/RHSA-2020:0164 https://access.redhat.com/errata/RHSA-2020:0445 https://github.com/FasterXML/jackson-databind/issues/2498 https://lists.apache.org/thread.html/b3c90d38f99db546de60fea65f99a924d540fae2285f014b79606ca5@3Ccommits.pulsar.apache.org3E https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@3Cissues.bookkeeper.apache.org3E https://lists.apache.org/thread.html/r392099ed2757ff2e383b10440594e914d080511d7da1c8fed0612c1f@3Ccommits.druid.apache.org3E https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2@3Cissues.geode.apache.org3E https://lists.debian.org/debian-lts-announce/2019/12/msg00013.html https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 https://security.netapp.com/advisory/ntap-20191024-0005/ https://www.oracle.com/security-alerts/cpuapr2020.html https://www.oracle.com/security-alerts/cpujan2020.html https://www.oracle.com/security-alerts/cpujul2020.html https://www.oracle.com/security-alerts/cpuoct2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8