CVE-2014-1876

OpenJDK: insecure temporary file use in unpack200 (Libraries, 8033618)

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Severity

Low

Red Hat Product Security

1.9

CVSS 2.0

Review impact separately from score.

Published · February 3, 2014

Updated · June 28, 2026

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 1.9
AV:L/AC:M/Au:N/C:N/I:P/A:N

CWE-377 · Insecure Temporary File