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Vulnerability Details : CVE-2014-1876

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.
Publish Date : 2014-02-10 Last Update Date : 2014-10-04
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 59

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2014:0412: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:23781 unix
DEPRECATED: ELSA-2014:0408: java-1.6.0-openjdk security and bug fix update (Important) oval:org.mitre.oval:def:23968 unix
DEPRECATED: ELSA-2014:0413: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:24586 unix
DEPRECATED: ELSA-2014:0414: java-1.6.0-sun security update (Important) oval:org.mitre.oval:def:24610 unix
DSA-2912-1 openjdk-6 - security update oval:org.mitre.oval:def:24751 unix
ELSA-2014:0406: java-1.7.0-openjdk security update (Critical) oval:org.mitre.oval:def:24276 unix
ELSA-2014:0407: java-1.7.0-openjdk security update (Important) oval:org.mitre.oval:def:24662 unix
ELSA-2014:0408: java-1.6.0-openjdk security and bug fix update (Important) oval:org.mitre.oval:def:23985 unix
ELSA-2014:0412: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:24411 unix
ELSA-2014:0413: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:24759 unix
ELSA-2014:0414: java-1.6.0-sun security update (Important) oval:org.mitre.oval:def:24739 unix
ELSA-2014:0486: java-1.7.0-ibm security update (Critical) oval:org.mitre.oval:def:24767 unix
ELSA-2014:0508: java-1.6.0-ibm security update (Critical) oval:org.mitre.oval:def:25185 unix
ELSA-2014:0509: java-1.5.0-ibm security update (Important) oval:org.mitre.oval:def:24881 unix
RHSA-2014:0406: java-1.7.0-openjdk security update (Critical) oval:com.redhat.rhsa:def:20140406 unix
RHSA-2014:0406: java-1.7.0-openjdk security update (Critical) oval:org.mitre.oval:def:24666 unix
RHSA-2014:0407: java-1.7.0-openjdk security update (Important) oval:com.redhat.rhsa:def:20140407 unix
RHSA-2014:0407: java-1.7.0-openjdk security update (Important) oval:org.mitre.oval:def:24641 unix
RHSA-2014:0408: java-1.6.0-openjdk security and bug fix update (Important) oval:com.redhat.rhsa:def:20140408 unix
RHSA-2014:0408: java-1.6.0-openjdk security and bug fix update (Important) oval:org.mitre.oval:def:24444 unix
RHSA-2014:0412: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:24489 unix
RHSA-2014:0412: java-1.7.0-oracle security update (Critical) oval:com.redhat.rhsa:def:20140412 unix
RHSA-2014:0413: java-1.7.0-oracle security update (Critical) oval:org.mitre.oval:def:24723 unix
RHSA-2014:0413: java-1.7.0-oracle security update (Critical) oval:com.redhat.rhsa:def:20140413 unix
RHSA-2014:0414: java-1.6.0-sun security update (Important) oval:org.mitre.oval:def:24557 unix
RHSA-2014:0414: java-1.6.0-sun security update (Important) oval:com.redhat.rhsa:def:20140414 unix
RHSA-2014:0486: java-1.7.0-ibm security update (Critical) oval:org.mitre.oval:def:23870 unix
RHSA-2014:0486: java-1.7.0-ibm security update (Critical) oval:com.redhat.rhsa:def:20140486 unix
RHSA-2014:0508: java-1.6.0-ibm security update (Critical) oval:org.mitre.oval:def:24446 unix
RHSA-2014:0508: java-1.6.0-ibm security update (Critical) oval:com.redhat.rhsa:def:20140508 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-1876

# Product Type Vendor Product Version Update Edition Language
1 Application Oracle Openjdk 1.6.0 Version Details Vulnerabilities
2 Application Oracle Openjdk 1.7.0 Version Details Vulnerabilities
3 Application Oracle Openjdk 1.8.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Oracle Openjdk 3

- References For CVE-2014-1876

http://osvdb.org/102808
OSVDB 102808
http://secunia.com/advisories/58415
SECUNIA 58415
http://www.ubuntu.com/usn/USN-2187-1
UBUNTU USN-2187-1
http://www.securityfocus.com/bid/65568
BID 65568 Multiple Oracle Java Products 'unpack.cpp' Insecure Temporary File Creation Vulnerability Release Date:2014-10-08
https://bugzilla.redhat.com/show_bug.cgi?id=1060907
http://seclists.org/oss-sec/2014/q1/285
MLIST [oss-security] 20140207 Re: CVE request and heads-up on insecure temp file handling in unpack200 (OpenJDK, Oracle Java)
http://security.gentoo.org/glsa/glsa-201406-32.xml
GENTOO GLSA-201406-32
http://www.ubuntu.com/usn/USN-2191-1
UBUNTU USN-2191-1
http://seclists.org/oss-sec/2014/q1/242
MLIST [oss-security] 20140203 CVE request and heads-up on insecure temp file handling in unpack200 (OpenJDK, Oracle Java)
http://secunia.com/advisories/59058
SECUNIA 59058
http://www-01.ibm.com/support/docview.wss?uid=swg21672080 CONFIRM
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737562
http://www-01.ibm.com/support/docview.wss?uid=swg21676746 CONFIRM
http://www.debian.org/security/2014/dsa-2912
DEBIAN DSA-2912
http://www-01.ibm.com/support/docview.wss?uid=swg21679713 CONFIRM
http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html CONFIRM

- Metasploit Modules Related To CVE-2014-1876

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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