Known exploited vulnerability
CVE-2017-12149
The short answer
CVE-2017-12149 affects Red Hat, Inc. jbossas and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-12-10: attackers are using it, so patch it first.
What it is
In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute arbitrary code via crafted serialized data.
Weakness: CWE-502.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Dec 10, 2021
Federal due date Jun 10, 2022
EPSS, next 30 days
91%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
jbossas. NVD's record lists the exact affected versions.
References
- access.redhat.com/errata/RHSA-2018:1607 Third Party Advisory
- access.redhat.com/errata/RHSA-2018:1608 Third Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1486220 Issue Tracking
- github.com/gottburgm/Exploits/tree/master/CVE-2017-12149 Third Party Advisory
- access.redhat.com/errata/RHSA-2018:1607 Third Party Advisory
- access.redhat.com/errata/RHSA-2018:1608 Third Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1486220 Issue Tracking
- github.com/gottburgm/Exploits/tree/master/CVE-2017-12149 Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12149 US Government Resource
Questions
Is CVE-2017-12149 being exploited?
Yes. CISA added CVE-2017-12149 to its Known Exploited Vulnerabilities catalog on 2021-12-10, with a federal remediation due date of 2022-06-10. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2017-12149?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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