Mozilla Foundation Security Advisory 2012-22
use-after-free in IDBKeyRange
- Announced
- April 24, 2012
- Reporter
- Aki Helin
- Impact
- Critical
- Products
- Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
- Fixed in
-
- Firefox 12
- Firefox ESR 10.0.4
- SeaMonkey 2.9
- Thunderbird 12
- Thunderbird ESR 10.0.4
Description
Using the Address Sanitizer tool, security researcher Aki Helin from OUSPG found that IDBKeyRange of indexedDB remains in the XPConnect hashtable instead of being unlinked before being destroyed. When it is destroyed, this causes a use-after-free, which is potentially exploitable.