SwitchEmu/mbedtls
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/mbedtls.git synced 2026-02-19 08:43:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix potential integer overflow parsing DER CRL

Browse Source 
This patch prevents a potential signed integer overflow during the
CRL version verification checks.
This commit is contained in:
Andres AG
2017-02-10 14:39:58 +00:00
committed by Simon Butcher
parent 4d90d56dfe
commit 853c46c8d3
2 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@@ -13,6 +13,10 @@ Bugfix
Found by redplait #590
* Add MBEDTLS_MPI_CHK to check for error value of mbedtls_mpi_fill_random.
Reported and fix suggested by guidovranken in #740
* Fix a potential integer overflow in the version verification for DER
encoded X509 CRLs. The overflow would enable maliciously constructed CRLs
to bypass the version verification check. Found by Peng Li/Yueh-Hsun Lin,
KNOX Security, Samsung Research America
Features
* Add the functions mbedtls_platform_setup() and mbedtls_platform_teardown()