|Description||fb_lock_mgr in Firebird 1.5 uses weak permissions (0666) for the semaphore array, which allows local users to cause a denial of service (blocked query processing) by locking semaphores.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: local)|
The information below is based on the following data on fixed versions.
- firebird1.5 <not-affected> (fixed before rename to firebird1.5)
[etch] - firebird2 <no-dsa> (Fixed packages have been released through backports.org, see #1529)
- firebird2.0 <not-affected> (fixed in 2.0)
[sarge] - firebird2 <no-dsa> (Minor issue)