An issue was discovered in tnef before 1.4.13. Several Integer Overflows, which can lead to Heap Overflows, have been identified in the functions that wrap memory allocation.
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
| Link | Tags |
|---|---|
| https://github.com/verdammelt/tnef/blob/master/ChangeLog | release notes third party advisory patch |
| http://www.securityfocus.com/bid/96427 | vdb entry third party advisory |
| https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/ | third party advisory patch |
| https://github.com/verdammelt/tnef/commit/c5044689e50039635e7700fe2472fd632ac77176 | issue tracking third party advisory patch |
| http://www.debian.org/security/2017/dsa-3798 | third party advisory vendor advisory |
| https://security.gentoo.org/glsa/201708-02 | third party advisory vendor advisory |