Hi Jiewen, Can you take a look at this patch? WPA3 Tls API fuzzing is blocked because of same pem API.
Thanks, Yi -----Original Message----- From: [email protected] <[email protected]> On Behalf Of yi1 li Sent: Thursday, September 22, 2022 8:53 PM To: [email protected] Cc: Li, Yi1 <[email protected]>; Yao, Jiewen <[email protected]>; Wang, Jian J <[email protected]>; Lu, Xiaoyu1 <[email protected]>; Jiang, Guomin <[email protected]> Subject: [edk2-devel] [PATCH 1/1] CryptoPkg: Fix pem heap-buffer-overflow due to BIO_snprintf() REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4075 Fake BIO_snprintf() need to return error status -1. 0 will be considered a correct return value, this may cause crash, please refer to bugzilla link for details. Signed-off-by: Yi Li <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Jian J Wang <[email protected]> Cc: Xiaoyu Lu <[email protected]> Cc: Guomin Jiang <[email protected]> --- CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c index c1fc33538f..d7d8c206ed 100644 --- a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c +++ b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c @@ -494,7 +494,7 @@ BIO_snprintf ( ... ) { - return 0; + return -1; } #ifdef __GNUC__ -- 2.31.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94292): https://edk2.groups.io/g/devel/message/94292 Mute This Topic: https://groups.io/mt/93847550/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
