Openjdk
CVE-2014-1876
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Symlink resolution safety
|
| Impact | CVSS score of 4.4 (MEDIUM). Attack characteristics: local attack vector, M complexity. EPSS exploitation probability: 0.14%. |
| Exploit ScenarioDerived | Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
The unpacker::redirect_stdio function in unpack.cpp in unpack200 in OpenJDK 6, 7, and 8; Oracle Java SE 5.0u61, 6u71, 7u51, and 8; JRockit R27.8.1 and R28.3.1; and Java SE Embedded 7u51 does not. Rated medium severity (CVSS 4.4). No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-59. The unpacker::redirect_stdio function in unpack.cpp in unpack200 in OpenJDK 6, 7, and 8; Oracle Java SE 5.0u61, 6u71, 7u51, and 8; JRockit R27.8.1 and R28.3.1; and Java SE Embedded 7u51 does not securely create temporary files when a log file cannot be opened, which allows local users to overwrite arbitrary files via a symlink attack on /tmp/unpack.log. Affected products include: Oracle Openjdk.
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Severity by source
AV:L/AC:M/Au:N/C:P/I:P/A:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The unpacker::redirect_stdio function in unpack.cpp in unpack200 in OpenJDK 6, 7, and 8; Oracle Java SE 5.0u61, 6u71, 7u51, and 8; JRockit R27.8.1 and R28.3.1; and Java SE Embedded 7u51 does not securely create temporary files when a log file cannot be opened, which allows local users to overwrite arbitrary files via a symlink attack on /tmp/unpack.log.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)CVE.org
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, and Ope
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier and
Unspecified vulnerability in the Java SE component in Oracle Java SE Java SE 7u60 and OpenJDK 7 allows remote attackers
The Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT styleshee
A .desktop file in the Debian openjdk-7 package 7u79-2.5.5-1~deb8u1 includes a MIME type registration that is added to /
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. Rated high severity (CVSS
Unspecified vulnerability in OpenJDK 6 before 6b31 on Debian GNU/Linux and Ubuntu 12.04 LTS and 10.04 LTS has unknown im
Unspecified vulnerability in OpenJDK 6 before 6b31 on Debian GNU/Linux and Ubuntu 12.04 LTS and 10.04 LTS has unknown im
Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Rated high severity (CV
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Rated high severity (CV
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Rated high severity (CV
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB