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Missing Error Check in function SSL_new() #1004

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lc3412 opened this issue Sep 19, 2018 · 1 comment
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Missing Error Check in function SSL_new() #1004

lc3412 opened this issue Sep 19, 2018 · 1 comment

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@lc3412
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lc3412 commented Sep 19, 2018

Hi,
Function SSL_new() returns a pointer to an SSL object on success or NULL on error. However, the function SSL_new() in keepalived/genhash/ssl.c didn't check the return value is NULL or not, before passing the return value as an argument to both the function SSL_set0_rbio() and SSL_set0_wbio(). See the following details.

screenshot from 2018-09-19 16-33-43

Chi Li, Zuxing Gu, Jiecheng Wu
pqarmitage added a commit to pqarmitage/keepalived that referenced this issue Sep 19, 2018
@pqarmitage
Check return values of SSL_new() and BIO_new_socket()
31b0644 
Issue acassen#1004 identified that genhash didn't check the return value
of SSL_new(). This commit makes genhash check the return value of
SSL_new() and also BIO_new_socket(), and also fixes the same
problem in keepalived check_ssl.c/ssl_commect().

Signed-off-by: Quentin Armitage <[email protected]>
@pqarmitage
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Commit 31b0644 now makes genhash check the return value of SSL_new() and also BIO_new_socket(). It also applies similar updates to keepalived/check_ssl.c.

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@pqarmitage @lc3412