CVE-2014-1876

NameCVE-2014-1876
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2912-1, DSA-2923-1
NVD severitymedium (attack range: local)
Debian Bugs737562

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openjdk-6 (PTS)wheezy (security), wheezy6b38-1.13.10-1~deb7u1fixed
openjdk-7 (PTS)wheezy7u95-2.6.4-1~deb7u1fixed
wheezy (security)7u111-2.6.7-1~deb7u1fixed
jessie (security), jessie7u111-2.6.7-1~deb8u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjdk-6source(unstable)6b31-1.13.3-1low
openjdk-6sourcesqueeze6b31-1.13.3-1~deb6u1mediumDSA-2912-1
openjdk-6sourcewheezy6b31-1.13.3-1~deb7u1mediumDSA-2912-1
openjdk-7source(unstable)7u55-2.4.7-1low737562
openjdk-7sourcewheezy7u55-2.4.7-1~deb7u1mediumDSA-2923-1

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