Race condition in the runScript function in Tunnelblick 3.3beta20 and earlier allows local users to gain privileges by replacing a script f…

published 2012-08-26 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3439

cvss: 6.2; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 2; Exploit-DB

Race condition in the runScript function in Tunnelblick 3.3beta20 and earlier allows local users to gain privileges by replacing a script file.

Timeline

2012-08-11 First public exploit (EDB-20443)
2012-08-26 Published

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-20443 Tunnelblick - Local Privilege Escalation (2) local, 2012-08-11
EDB-20417 Tunnelblick - Local Privilege Escalation (1) local, 2012-08-11

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.2	AV:L/AC:H/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

CVE List CVE-2012-3483
NVD CVE-2012-3483

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary