high
7.5
CWE
770 400
Advisory Published
Updated

CVE-2020-28491: Denial of Service (DoS)

First published: Thu Feb 18 2021(Updated: )

FasterXML jackson-dataformats-binary is vulnerable to a denial of service, caused by an unchecked allocation of byte buffer flaw. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a java.lang.OutOfMemoryError exception resulting in a denial of service condition.

Credit: report@snyk.io

Affected SoftwareAffected VersionHow to fix
FasterXML jackson-dataformats-binary<2.11.4
FasterXML jackson-dataformats-binary>2.12.0<2.12.1
FasterXML jackson-dataformats-binary=2.12.0
FasterXML jackson-dataformats-binary=2.12.0-rc1
FasterXML jackson-dataformats-binary=2.12.0-rc2
Quarkus Quarkus<2.0.2
Oracle WebLogic Server=12.2.1.3.0
Oracle WebLogic Server=12.2.1.4.0
Oracle WebLogic Server=14.1.1.0.0
redhat/jackson-dataformat-cbor<2.11.4
2.11.4
redhat/jackson-dataformat-cbor<2.12.1
2.12.1
redhat/rh-sso7-keycloak<0:9.0.15-1.redhat_00002.1.el6
0:9.0.15-1.redhat_00002.1.el6
redhat/rh-sso7-keycloak<0:9.0.15-1.redhat_00002.1.el7
0:9.0.15-1.redhat_00002.1.el7
redhat/rh-sso7-keycloak<0:9.0.15-1.redhat_00002.1.el8
0:9.0.15-1.redhat_00002.1.el8

Remedy

https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6

Remedy

https://github.com/FasterXML/jackson-dataformats-binary/issues/186

Remedy

https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329

Remedy

https://www.oracle.com/security-alerts/cpujul2022.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-28491?

    CVE-2020-28491 is a vulnerability in the com.fasterxml.jackson.dataformat:jackson-dataformat-cbor package that allows for a denial of service attack.

  • How severe is CVE-2020-28491?

    CVE-2020-28491 has a severity rating of 7.5 (High).

  • What is the affected software for CVE-2020-28491?

    The affected software for CVE-2020-28491 includes com.fasterxml.jackson.dataformat:jackson-dataformat-cbor versions 0 to 2.11.4 and 2.12.0 to 2.12.1, as well as rh-sso7-keycloak versions 0:9.0.15-1.redhat_00002.1.el6, 0:9.0.15-1.redhat_00002.1.el7, and 0:9.0.15-1.redhat_00002.1.el8.

  • How can CVE-2020-28491 be fixed?

    To fix CVE-2020-28491, upgrade to com.fasterxml.jackson.dataformat:jackson-dataformat-cbor version 2.11.4 or 2.12.1, or rh-sso7-keycloak versions 0:9.0.15-1.redhat_00002.1.el6, 0:9.0.15-1.redhat_00002.1.el7, or 0:9.0.15-1.redhat_00002.1.el8.

  • Where can I find more information about CVE-2020-28491?

    You can find more information about CVE-2020-28491 at the following references: [1](https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6), [2](https://github.com/FasterXML/jackson-dataformats-binary/issues/186), [3](https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329).

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