CVE-2009-1215: gnu gnu_screen Race Condition

Vulnerability summary

CVE-2009-1215 is a low (CVSS 1.9) Race Condition vulnerability in gnu gnu_screen. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.2% of scored vulnerabilities.

Timeline

1. 01-04-2009
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

Description

Race condition in GNU screen 4.0.3 allows local users to create or overwrite arbitrary files via a symlink attack on the /tmp/screen-exchange temporary file.

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.