Red Hat JBoss Application Server Remote Code Execution Vulnerability
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…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)10 Dec 2021
- Exploited in EUVD (ENISA)10 Dec 2021
- Used by ransomwareyes
- EPSS above 10 %90.7%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
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.
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 90.7%
References
Other exploited vulnerabilities from the same vendor
- CVE-2015-5287Red Hat Automatic Bug Reporting Tool Privilege Escalation Vulnerability4.5 · Actively exploited
- CVE-2015-3246Red Hat Libuser Race Condition Vulnerability4.4 · Actively exploited
- CVE-2018-14667Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability8.5 · Background exploitation
- CVE-2021-3560Red Hat Polkit Incorrect Authorization Vulnerability5.6 · Background exploitation
- CVE-2021-4034Red Hat Polkit Out-of-Bounds Read and Write Vulnerability8.4 · Background exploitation
- CVE-2010-1428Red Hat JBoss Information Disclosure Vulnerability6.9 · Background exploitation