<CVE-2022-3550> xkb: proof GetCountedString against request length attacks Upstream-Status: Backport [https://cgit.freedesktop.org/xorg/xserver/commit/?id=11beef0b7f1ed290348e45618e5fa0d2bffcb72e]
<CVE-2022-3551> xkb: fix some possible memleaks in XkbGetKbdByName Upstream-Status: Backport [https://cgit.freedesktop.org/xorg/xserver/commit/?id=18f91b950e22c2a342a4fbc55e9ddf7534a707d2] <CVE-2022-3553> xquartz: Fix a possible crash when editing the Application menu due to mutaing immutable arrays Upstream-Status: Backport[https://cgit.freedesktop.org/xorg/xserver/commit/?id=dfd057996b26420309c324ec844a5ba6dd07eda3] Signed-off-by:Minjae Kim <flower...@gmail.com> --- .../xserver-xorg/CVE-2022-3550.patch | 40 ++++++++++++ .../xserver-xorg/CVE-2022-3551.patch | 64 +++++++++++++++++++ .../xserver-xorg/CVE-2022-3553.patch | 49 ++++++++++++++ .../xorg-xserver/xserver-xorg_1.20.14.bb | 3 + 4 files changed, 156 insertions(+) create mode 100644 meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3550.patch create mode 100644 meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3551.patch create mode 100644 meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3553.patch diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3550.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3550.patch new file mode 100644 index 0000000000..9674b548d9 --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3550.patch @@ -0,0 +1,40 @@ +From d2dcbdc67c96c84dff301505072b0b7b022f1a14 Mon Sep 17 00:00:00 2001 +From: Peter Hutterer <peter.hutte...@who-t.net> +Date: Sun, 4 Dec 2022 17:40:21 +0000 +Subject: [PATCH 1/3] xkb: proof GetCountedString against request length + attacks + +GetCountedString did a check for the whole string to be within the +request buffer but not for the initial 2 bytes that contain the length +field. A swapped client could send a malformed request to trigger a +swaps() on those bytes, writing into random memory. + +Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net> + +Ustream-Status: Backport +[https://cgit.freedesktop.org/xorg/xserver/commit/?id=11beef0b7f1ed290348e45618e5fa0d2bffcb72e] + +Signed-off-by:Minjae Kim <flower...@gmail.com> +--- + xkb/xkb.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/xkb/xkb.c b/xkb/xkb.c +index 68c59df..bf8aaa3 100644 +--- a/xkb/xkb.c ++++ b/xkb/xkb.c +@@ -5138,6 +5138,11 @@ _GetCountedString(char **wire_inout, ClientPtr client, char **str) + CARD16 len; + + wire = *wire_inout; ++ ++ if (client->req_len < ++ bytes_to_int32(wire + 2 - (char *) client->requestBuffer)) ++ return BadValue; ++ + len = *(CARD16 *) wire; + if (client->swapped) { + swaps(&len); +-- +2.17.1 + diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3551.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3551.patch new file mode 100644 index 0000000000..c1313b5ad6 --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3551.patch @@ -0,0 +1,64 @@ +From d3787290f56165f5656ddd2123dbf676a32d0a68 Mon Sep 17 00:00:00 2001 +From: Peter Hutterer <peter.hutte...@who-t.net> +Date: Sun, 4 Dec 2022 17:44:00 +0000 +Subject: [PATCH 2/3] xkb: fix some possible memleaks in XkbGetKbdByName + +GetComponentByName returns an allocated string, so let's free that if we +fail somewhere. + +Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net> + +Upstream-Status: Backport +[https://cgit.freedesktop.org/xorg/xserver/commit/?id=18f91b950e22c2a342a4fbc55e9ddf7534a707d2] + +Signed-off-by:Minjae Kim <flower...@gmail.com> +--- + xkb/xkb.c | 26 +++++++++++++++++++------- + 1 file changed, 19 insertions(+), 7 deletions(-) + +diff --git a/xkb/xkb.c b/xkb/xkb.c +index bf8aaa3..f79d306 100644 +--- a/xkb/xkb.c ++++ b/xkb/xkb.c +@@ -5908,19 +5908,31 @@ ProcXkbGetKbdByName(ClientPtr client) + xkb = dev->key->xkbInfo->desc; + status = Success; + str = (unsigned char *) &stuff[1]; +- if (GetComponentSpec(&str, TRUE, &status)) /* keymap, unsupported */ +- return BadMatch; ++ { ++ char *keymap = GetComponentSpec(&str, TRUE, &status); /* keymap, unsupported */ ++ if (keymap) { ++ free(keymap); ++ return BadMatch; ++ } ++ } + names.keycodes = GetComponentSpec(&str, TRUE, &status); + names.types = GetComponentSpec(&str, TRUE, &status); + names.compat = GetComponentSpec(&str, TRUE, &status); + names.symbols = GetComponentSpec(&str, TRUE, &status); + names.geometry = GetComponentSpec(&str, TRUE, &status); +- if (status != Success) +- return status; +- len = str - ((unsigned char *) stuff); +- if ((XkbPaddedSize(len) / 4) != stuff->length) +- return BadLength; ++ if (status == Success) { ++ len = str - ((unsigned char *) stuff); ++ if ((XkbPaddedSize(len) / 4) != stuff->length) ++ status = BadLength; ++ } + ++ if (status != Success) { ++ free(names.keycodes); ++ free(names.types); ++ free(names.compat); ++ free(names.symbols); ++ free(names.geometry); ++ } + CHK_MASK_LEGAL(0x01, stuff->want, XkbGBN_AllComponentsMask); + CHK_MASK_LEGAL(0x02, stuff->need, XkbGBN_AllComponentsMask); + +-- +2.17.1 + diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3553.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3553.patch new file mode 100644 index 0000000000..d06dc2cf79 --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2022-3553.patch @@ -0,0 +1,49 @@ +From 57ad2c03730d56f8432b6d66b29c0e5a9f9b1ec2 Mon Sep 17 00:00:00 2001 +From: Jeremy Huddleston Sequoia <jerem...@apple.com> +Date: Sun, 4 Dec 2022 17:46:18 +0000 +Subject: [PATCH 3/3] xquartz: Fix a possible crash when editing the + Application menu due to mutaing immutable arrays + +Crashing on exception: -[__NSCFArray replaceObjectAtIndex:withObject:]: mutating method sent to immutable object + +Application Specific Backtrace 0: +0 CoreFoundation 0x00007ff80d2c5e9b __exceptionPreprocess + 242 +1 libobjc.A.dylib 0x00007ff80d027e48 objc_exception_throw + 48 +2 CoreFoundation 0x00007ff80d38167b _CFThrowFormattedException + 194 +3 CoreFoundation 0x00007ff80d382a25 -[__NSCFArray removeObjectAtIndex:].cold.1 + 0 +4 CoreFoundation 0x00007ff80d2e6c0b -[__NSCFArray replaceObjectAtIndex:withObject:] + 119 +5 X11.bin 0x00000001003180f9 -[X11Controller tableView:setObjectValue:forTableColumn:row:] + 169 + +Fixes: https://github.com/XQuartz/XQuartz/issues/267 +Signed-off-by: Jeremy Huddleston Sequoia <jerem...@apple.com> + +Upstream-Status: Backport +[https://cgit.freedesktop.org/xorg/xserver/commit/?id=dfd057996b26420309c324ec844a5ba6dd07eda3] + +Signed-off-by:Minjae Kim <flower...@gmail.com> +--- + hw/xquartz/X11Controller.m | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/hw/xquartz/X11Controller.m b/hw/xquartz/X11Controller.m +index 3efda50..9870ff2 100644 +--- a/hw/xquartz/X11Controller.m ++++ b/hw/xquartz/X11Controller.m +@@ -467,8 +467,12 @@ extern char *bundle_id_prefix; + self.table_apps = table_apps; + + NSArray * const apps = self.apps; +- if (apps != nil) +- [table_apps addObjectsFromArray:apps]; ++ ++ if (apps != nil) { ++ for (NSArray <NSString *> * row in apps) { ++ [table_apps addObject:row.mutableCopy]; ++ } ++ } + + columns = [apps_table tableColumns]; + [[columns objectAtIndex:0] setIdentifier:@"0"]; +-- +2.17.1 + diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.14.bb b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.14.bb index d176f390a4..4f5528f78b 100644 --- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.14.bb +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.14.bb @@ -5,6 +5,9 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat file://0001-test-xtest-Initialize-array-with-braces.patch \ file://sdksyms-no-build-path.patch \ file://0001-drmmode_display.c-add-missing-mi.h-include.patch \ + file://CVE-2022-3550.patch \ + file://CVE-2022-3551.patch \ + file://CVE-2022-3553.patch \ " SRC_URI[md5sum] = "453fc86aac8c629b3a5b77e8dcca30bf" SRC_URI[sha256sum] = "54b199c9280ff8bf0f73a54a759645bd0eeeda7255d1c99310d5b7595f3ac066" -- 2.17.1
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