Mozilla Foundation Security Advisory 2013-05
Use-after-free when displaying table with many columns and column groups
- January 8, 2013
- Atte Kettunen
- Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
- Fixed in
- Firefox 18
- Firefox ESR 10.0.12
- Firefox ESR 17.0.2
- SeaMonkey 2.15
- Thunderbird 17.0.2
- Thunderbird ESR 10.0.12
- Thunderbird ESR 17.0.2
Using the Address Sanitizer tool, security researcher Atte Kettunen from OUSPG discovered that the combination of large numbers of columns and column groups in a table could cause the array containing the columns during rendering to overwrite itself. This can lead to a user-after-free causing a potentially exploitable crash.
In general these flaws cannot be exploited through email in the Thunderbird and SeaMonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts in those products.