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CVE-2012-5076: Oracle Java SE Sandbox Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2012-5076
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

CSIRTS triage

vendor: Oracleproduct: Java SEAuthentication bypass
What
The default Java security properties configuration did not restrict access to certain packages, allowing sandbox bypass.
Who is affected
Untrusted Java applications or applets running in environments with default security settings.
Urgency
Immediate action is required as the vulnerability is actively exploited and rated critical.
Action
Update Java SE to the latest version to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-28
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2012-5076

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2012-5076coverage & exploitation statusNVD · CVE.org

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