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The source of libconfuse package didn't make a release since Jun 24, 2020 (https://github.com/libconfuse/libconfuse). Therefore, to fix the CVE add a patch. [sam: adjust patch metadata, drop back to ~arch.] Bug: https://bugs.gentoo.org/901089 Signed-off-by: Vaibhav Rustagi <vaibhavrustagi@google.com> Closes: https://github.com/gentoo/gentoo/pull/30104 Signed-off-by: Sam James <sam@gentoo.org>
40 lines
1.1 KiB
Diff
40 lines
1.1 KiB
Diff
https://bugs.gentoo.org/901089
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https://github.com/libconfuse/libconfuse/commit/d73777c2c3566fb2647727bb56d9a2295b81669b
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(Rebased by Vaibhav Rustagi <vaibhavrustagi@google.com>)
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From d73777c2c3566fb2647727bb56d9a2295b81669b Mon Sep 17 00:00:00 2001
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From: Joachim Wiberg <troglobit@gmail.com>
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Date: Fri, 2 Sep 2022 16:12:46 +0200
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Subject: [PATCH] Fix #163: unterminated username used with getpwnam()
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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
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--- a/src/confuse.c
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+++ b/src/confuse.c
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@@ -1863,18 +1863,20 @@ DLLIMPORT char *cfg_tilde_expand(const char *filename)
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passwd = getpwuid(geteuid());
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file = filename + 1;
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} else {
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- /* ~user or ~user/path */
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- char *user;
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+ char *user; /* ~user or ~user/path */
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+ size_t len;
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file = strchr(filename, '/');
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if (file == 0)
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file = filename + strlen(filename);
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- user = malloc(file - filename);
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+ len = file - filename - 1;
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+ user = malloc(len + 1);
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if (!user)
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return NULL;
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- strncpy(user, filename + 1, file - filename - 1);
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+ strncpy(user, &filename[1], len);
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+ user[len] = 0;
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passwd = getpwnam(user);
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free(user);
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}
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