CVE-2012-2945: High severity Apache Hadoop vulnerability

Published Oct 28, 2019
·
Updated

Hadoop 1.0.3 contains a symlink vulnerability as a result of storing pid files in the shared /tmp directory by default.

Affected Software

3 affected componentsFixes available
maven/org.apache.hadoop:hadoop-main<=1.0.3
1.0.4
Apache Hadoop=1.0.3
debian

Event History

Oct 28, 2019
CVE Published
via MITRE·08:31 PM
Data Sourced
via MITRE·08:31 PM
Description
Apr 23, 2022
Advisory Published
12:40 AM
Feb 18, 2026
Data Sourced
via Debian·01:38 AM
DescriptionAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2012-2945?

CVE-2012-2945 refers to a symlink vulnerability found in Hadoop 1.0.3.

2

What is the severity of CVE-2012-2945?

The severity of CVE-2012-2945 is rated as high with a severity value of 7.5.

3

How does CVE-2012-2945 affect Hadoop 1.0.3?

CVE-2012-2945 affects Hadoop 1.0.3 by exploiting a symlink vulnerability caused by storing pid files in the shared /tmp directory by default.

4

How can I fix CVE-2012-2945 in Hadoop 1.0.3?

To fix CVE-2012-2945 in Hadoop 1.0.3, upgrade to version 1.0.4.

5

Is there any additional information about CVE-2012-2945?

For more information about CVE-2012-2945, you can refer to the following links: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-2945), [Full Disclosure](https://seclists.org/fulldisclosure/2012/Jul/3), [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2012-2945).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203