23 lines
795 B
Diff
23 lines
795 B
Diff
From f5cae905ca1a9f686f80aea45a34cea50fec0534 Mon Sep 17 00:00:00 2001
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From: modric <pioneerbtw7@163.com>
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Date: Thu, 17 Nov 2022 16:08:59 +0800
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Subject: [PATCH] Fix memory leak of pass in converse().
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---
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plugins/sudoers/auth/pam.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/plugins/sudoers/auth/pam.c b/plugins/sudoers/auth/pam.c
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index dee9ea2..e90a4a6 100644
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--- a/plugins/sudoers/auth/pam.c
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+++ b/plugins/sudoers/auth/pam.c
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@@ -703,6 +703,8 @@ converse(int num_msg, PAM_CONST struct pam_message **msg,
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"password longer than %d", PAM_MAX_RESP_SIZE);
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ret = PAM_CONV_ERR;
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memset_s(pass, SUDO_CONV_REPL_MAX, 0, strlen(pass));
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+ free(pass);
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+ pass = NULL;
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goto done;
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}
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reply[n].resp = pass; /* auth_getpass() malloc's a copy */
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