CVE-2014-1876

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-02-10 · updated 2026-06-17
Weakness: CWE-59

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.

Affected products

containers/openjdk: 1.6.0, 1.7.0, 1.8.0

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737562
http://marc.info/?l=bugtraq&m=140852886808946&w=2
http://marc.info/?l=bugtraq&m=140852974709252&w=2
http://osvdb.org/102808
http://rhn.redhat.com/errata/RHSA-2014-0675.html
http://rhn.redhat.com/errata/RHSA-2014-0685.html
http://seclists.org/oss-sec/2014/q1/242
http://seclists.org/oss-sec/2014/q1/285
http://secunia.com/advisories/58415
http://secunia.com/advisories/59058
http://security.gentoo.org/glsa/glsa-201406-32.xml
http://www-01.ibm.com/support/docview.wss?uid=swg21672080

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