Secunia Logo  
 
OpenSSL "der_chop" Script Insecure Temporary File Creation
Secunia Advisory: SA12973
Release Date: 2004-10-26
Popularity: 11,808 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Unpatched

Software:OpenSSL 0.9.x

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2004-0975


Description:
A vulnerability has been reported in OpenSSL, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.

The vulnerability is caused due to the "der_chop" script creating temporary files insecurely. This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user executing the vulnerable script.

The vulnerability has been reported in versions 0.9.6m, 0.9.7d, and 0.9.7e. Other versions may also be affected.

Solution:
Grant only trusted users access to affected systems.

Provided and/or discovered by:
First reported in a Trustix advisory.

Original Advisory:
http://www.trustix.org/errata/2004/0050/


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
  
Latest Advisories

Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. OpenSSL DSA / ECDSA "EVP_VerifyFinal()" Spoofing Vulnerability // 68 views
2. SAP GUI TabOne ActiveX Control Caption List Buffer Overflow // 47 views
3. Symantec Mail Security for SMTP Response Handling Denial of Service // 46 views
4. Joomla! "X_CMS_LIBRARY_PATH" Directory Traversal Vulnerability // 37 views
5. Red Hat update for openssl // 31 views
6. ComponentOne SizerOne CTab ActiveX Control Caption List Buffer Overflow // 29 views
7. Red Hat update for xterm // 28 views
8. vBulletin Personal Sticky Threads Add-on Security Bypass Vulnerability // 27 views
9. TSC2 Help Desk CTab ActiveX Control Caption List Buffer Overflow // 27 views
10. Red Hat update for dbus // 26 views