diff options
Diffstat (limited to 'gnu/packages/patches/qemu-CVE-2015-8619.patch')
| -rw-r--r-- | gnu/packages/patches/qemu-CVE-2015-8619.patch | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2015-8619.patch b/gnu/packages/patches/qemu-CVE-2015-8619.patch deleted file mode 100644 index 5961343d1e..0000000000 --- a/gnu/packages/patches/qemu-CVE-2015-8619.patch +++ /dev/null @@ -1,119 +0,0 @@ -From: Wolfgang Bumiller <w.bumiller@proxmox.com> -Date: Wed, 13 Jan 2016 09:09:58 +0100 -Subject: [PATCH] hmp: fix sendkey out of bounds write (CVE-2015-8619) - -When processing 'sendkey' command, hmp_sendkey routine null -terminates the 'keyname_buf' array. This results in an OOB -write issue, if 'keyname_len' was to fall outside of -'keyname_buf' array. - -Since the keyname's length is known the keyname_buf can be -removed altogether by adding a length parameter to -index_from_key() and using it for the error output as well. - -Reported-by: Ling Liu <liuling-it@360.cn> -Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> -Message-Id: <20160113080958.GA18934@olga> -[Comparison with "<" dumbed down, test for junk after strtoul() -tweaked] -Signed-off-by: Markus Armbruster <armbru@redhat.com> - -(cherry picked from commit 64ffbe04eaafebf4045a3ace52a360c14959d196) ---- - hmp.c | 18 ++++++++---------- - include/ui/console.h | 2 +- - ui/input-legacy.c | 5 +++-- - 3 files changed, 12 insertions(+), 13 deletions(-) - -diff --git a/hmp.c b/hmp.c -index 2140605..1904203 100644 ---- a/hmp.c -+++ b/hmp.c -@@ -1734,21 +1734,18 @@ void hmp_sendkey(Monitor *mon, const QDict *qdict) - int has_hold_time = qdict_haskey(qdict, "hold-time"); - int hold_time = qdict_get_try_int(qdict, "hold-time", -1); - Error *err = NULL; -- char keyname_buf[16]; - char *separator; - int keyname_len; - - while (1) { - separator = strchr(keys, '-'); - keyname_len = separator ? separator - keys : strlen(keys); -- pstrcpy(keyname_buf, sizeof(keyname_buf), keys); - - /* Be compatible with old interface, convert user inputted "<" */ -- if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) { -- pstrcpy(keyname_buf, sizeof(keyname_buf), "less"); -+ if (keys[0] == '<' && keyname_len == 1) { -+ keys = "less"; - keyname_len = 4; - } -- keyname_buf[keyname_len] = 0; - - keylist = g_malloc0(sizeof(*keylist)); - keylist->value = g_malloc0(sizeof(*keylist->value)); -@@ -1761,16 +1758,17 @@ void hmp_sendkey(Monitor *mon, const QDict *qdict) - } - tmp = keylist; - -- if (strstart(keyname_buf, "0x", NULL)) { -+ if (strstart(keys, "0x", NULL)) { - char *endp; -- int value = strtoul(keyname_buf, &endp, 0); -- if (*endp != '\0') { -+ int value = strtoul(keys, &endp, 0); -+ assert(endp <= keys + keyname_len); -+ if (endp != keys + keyname_len) { - goto err_out; - } - keylist->value->type = KEY_VALUE_KIND_NUMBER; - keylist->value->u.number = value; - } else { -- int idx = index_from_key(keyname_buf); -+ int idx = index_from_key(keys, keyname_len); - if (idx == Q_KEY_CODE_MAX) { - goto err_out; - } -@@ -1792,7 +1790,7 @@ out: - return; - - err_out: -- monitor_printf(mon, "invalid parameter: %s\n", keyname_buf); -+ monitor_printf(mon, "invalid parameter: %.*s\n", keyname_len, keys); - goto out; - } - -diff --git a/include/ui/console.h b/include/ui/console.h -index c249db4..5739bdd 100644 ---- a/include/ui/console.h -+++ b/include/ui/console.h -@@ -433,7 +433,7 @@ static inline int vnc_display_pw_expire(const char *id, time_t expires) - void curses_display_init(DisplayState *ds, int full_screen); - - /* input.c */ --int index_from_key(const char *key); -+int index_from_key(const char *key, size_t key_length); - - /* gtk.c */ - void early_gtk_display_init(int opengl); -diff --git a/ui/input-legacy.c b/ui/input-legacy.c -index e0a39f0..3f28bbc 100644 ---- a/ui/input-legacy.c -+++ b/ui/input-legacy.c -@@ -57,12 +57,13 @@ struct QEMUPutLEDEntry { - static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = - QTAILQ_HEAD_INITIALIZER(led_handlers); - --int index_from_key(const char *key) -+int index_from_key(const char *key, size_t key_length) - { - int i; - - for (i = 0; QKeyCode_lookup[i] != NULL; i++) { -- if (!strcmp(key, QKeyCode_lookup[i])) { -+ if (!strncmp(key, QKeyCode_lookup[i], key_length) && -+ !QKeyCode_lookup[i][key_length]) { - break; - } - } |