CVE-2020-35491
First published: Mon Dec 14 2020(Updated: )
A flaw was found in jackson-databind. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jackson-databind | <2.9.10.8 | 2.9.10.8 |
| FasterXML jackson-databind | >=2.0.0<2.9.10.8 | |
| NetApp Service Level Manager | ||
| Debian Debian Linux | =9.0 | |
| Oracle Agile PLM | =9.3.6 | |
| Oracle Application Testing Suite | =13.3.0.1 | |
| Oracle Autovue For Agile Product Lifecycle Management | =21.0.2 | |
| Oracle Banking Platform | =2.6.2 | |
| Oracle Banking Platform | =2.7.0 | |
| Oracle Banking Platform | =2.7.1 | |
| Oracle Banking Platform | =2.8.0 | |
| Oracle Banking Platform | =2.9.0 | |
| Oracle Banking Platform | =2.10.0 | |
| Oracle Banking Treasury Management | =14.4 | |
| Oracle Banking Virtual Account Management | =14.2.0 | |
| Oracle Banking Virtual Account Management | =14.3.0 | |
| Oracle Banking Virtual Account Management | =14.5.0 | |
| Oracle Blockchain Platform | <=21.1.2 | |
| Oracle Communications Cloud Native Core Policy | =1.14.0 | |
| Oracle Communications Cloud Native Core Unified Data Repository | =1.4.0 | |
| Oracle Communications Diameter Signaling Route | >=8.0.0.0<=8.5.0.0 | |
| Oracle Communications Diameter Signaling Route | ||
| Oracle Communications Evolved Communications Application Server | =7.1 | |
| Oracle Communications Instant Messaging Server | =10.0.1.5.0 | |
| Oracle Communications Offline Mediation Controller | =12.0.0.3 | |
| Oracle Communications Pricing Design Center | =12.0.0.4.0 | |
| Oracle Communications Services Gatekeeper | =7.0 | |
| Oracle Communications Unified Inventory Management | =7.4.1 | |
| Oracle Documaker | =12.6.3 | |
| Oracle Documaker | =12.6.4 | |
| Oracle Insurance Policy Administration J2EE | =11.0.2 | |
| Oracle Retail Customer Management and Segmentation Foundation | >=16.0<=19.0 | |
| Oracle Retail Merchandising System | =15.0.3 | |
| Oracle Retail Xstore Point of Service | =16.0.6 | |
| Oracle Retail Xstore Point of Service | =17.0.4 | |
| Oracle Retail Xstore Point of Service | =18.0.3 | |
| Oracle Retail Xstore Point of Service | =19.0.2 | |
| Oracle SD-WAN Edge | =9.0 | |
| Oracle WebCenter Portal | =12.2.1.3.0 | |
| Oracle WebCenter Portal | =12.2.1.4.0 | |
| maven/com.fasterxml.jackson.core:jackson-databind | >=2.0.0<=2.9.10.7 | 2.9.10.8 |
| IBM Security Verify Governance | <=10.0 |
Remedy
The following conditions are needed for an exploit, we recommend avoiding all if possible: * Deserialization from sources you do not control * `enableDefaultTyping()` * `@JsonTypeInfo using `id.CLASS` or `id.MINIMAL_CLASS` * avoid org.apache.commons.dbcp2.datasources.PerUserPoolDataSource and org.apache.commons.dbcp2.datasources.SharedPoolDataSource in the classpath
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-35491 https://nvd.nist.gov/vuln/detail/CVE-2020-35491 https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062 https://github.com/FasterXML/jackson-databind/issues/2986
- https://bugzilla.redhat.com/show_bug.cgi?id=1909269
- https://access.redhat.com/errata/RHSA-2021:1515
- https://access.redhat.com/errata/RHSA-2021:1230
- https://access.redhat.com/security/cve/cve-2020-35491
- https://github.com/FasterXML/jackson-databind/issues/2986
- https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
- https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
- https://security.netapp.com/advisory/ntap-20210122-0005/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-35491
- https://github.com/FasterXML/jackson-databind/commit/41b8bdb5ccc1d8edb71acf1c8234da235a24249d
- https://security.netapp.com/advisory/ntap-20210122-0005
- https://github.com/advisories/GHSA-r3gr-cxrf-hg25 (Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/193394
- https://www.ibm.com/support/pages/node/7057377 (Advisory)
Frequently Asked Questions
What is CVE-2020-35491?
CVE-2020-35491 is a vulnerability in FasterXML jackson-databind that allows a remote attacker to execute arbitrary code on the system.
How does CVE-2020-35491 work?
CVE-2020-35491 is caused by an unsafe deserialization between gadgets and typing, specifically related to org.apache.commons.dbcp2.datasources.SharedPoolDataSource.
What is the severity of CVE-2020-35491?
The severity of CVE-2020-35491 is high, with a severity value of 8.1.
How can CVE-2020-35491 be exploited?
CVE-2020-35491 can be exploited by sending specially-crafted input to the vulnerable system.
How can I fix CVE-2020-35491?
To fix CVE-2020-35491, you should update FasterXML jackson-databind to version 2.9.10.8 or later.
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