4.4CVSSMEDIUM
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 Vector Breakdown
Exploitability
AV:LAccess VectorLocal
AC:MAccess ComplexityMedium
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.
Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Collection
Discovery
References
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737562
bugs.debian.org
http://marc.info/?l=bugtraq&m=140852886808946&w=2
marc.info
http://marc.info/?l=bugtraq&m=140852974709252&w=2
marc.info
and 22 more references View all →
Timeline
Published
Feb 10, 2014
Last Updated
Apr 29, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2014-1876 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows