RHSA-2020:2462MediumCVSS 7.3
Red Hat Security Advisory: pcs security and bug fix update
🔗 CVE IDs covered (1)
📋 Description
CVE-2020-10663 — rubygem-json: Unsafe object creation vulnerability in JSON
🎯 Affected products18
- Red Hat Enterprise Linux High Availability (v. 8)
- Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-0:0.10.4-6.el8_2.1.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-0:0.10.4-6.el8_2.1.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-0:0.10.4-6.el8_2.1.ppc64le as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-0:0.10.4-6.el8_2.1.s390x as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-0:0.10.4-6.el8_2.1.s390x as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-0:0.10.4-6.el8_2.1.src as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-0:0.10.4-6.el8_2.1.src as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-0:0.10.4-6.el8_2.1.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-0:0.10.4-6.el8_2.1.x86_64 as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.ppc64le as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.s390x as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.s390x as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 8)
- pcs-snmp-0:0.10.4-6.el8_2.1.x86_64 as a component of Red Hat Enterprise Linux Resilient Storage (v. 8)
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this vulnerability, do not supply untrusted user input and/or untrusted strings to the following method calls or utilize code libraries which do so: ``` JSON(user_input) JSON[user_input, nil] JSON.parse(user_input, nil) JSON::Parser.new(user_input).parse ``` Also note that JSON.load() should never be given input from unknown sources.
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2020:2462
- externalhttps://access.redhat.com/security/updates/classification/#moderate
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1827500
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1832914
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1838084
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1840158
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2462.json