diff options
author | Mingli Yu <mingli.yu@windriver.com> | 2021-09-24 16:53:35 +0800 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2021-10-02 09:53:14 +0100 |
commit | 38b5b89a85611676fcd04b62400da8469e77851b (patch) | |
tree | ed3579cff0f60eab019ef93d14027dbc7b01e61c | |
parent | b98a57715986cd0d9b23bd62d8ad35db57de6334 (diff) | |
download | poky-38b5b89a85611676fcd04b62400da8469e77851b.tar.gz |
vim: fix CVEs
Backport patches to fix CVE-2021-3778 and CVE-2021-3796.
(From OE-Core rev: 48a9709f955c1523918c891ca5c94f7bf5c71c54)
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r-- | meta/recipes-support/vim/files/CVE-2021-3778.patch | 34 | ||||
-rw-r--r-- | meta/recipes-support/vim/files/CVE-2021-3796.patch | 50 | ||||
-rw-r--r-- | meta/recipes-support/vim/vim.inc | 2 |
3 files changed, 86 insertions, 0 deletions
diff --git a/meta/recipes-support/vim/files/CVE-2021-3778.patch b/meta/recipes-support/vim/files/CVE-2021-3778.patch new file mode 100644 index 0000000000..04ac413e56 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2021-3778.patch | |||
@@ -0,0 +1,34 @@ | |||
1 | From 9ba62f1042513fcadcc4e8fdcee171db66ef1d69 Mon Sep 17 00:00:00 2001 | ||
2 | From: Bram Moolenaar <Bram@vim.org> | ||
3 | Date: Fri, 24 Sep 2021 15:15:24 +0800 | ||
4 | Subject: [PATCH] patch 8.2.3409: reading beyond end of line with invalid utf-8 | ||
5 | character | ||
6 | |||
7 | Problem: Reading beyond end of line with invalid utf-8 character. | ||
8 | Solution: Check for NUL when advancing. | ||
9 | |||
10 | Upstream-Status: Backport [https://github.com/vim/vim/commit/65b605665997fad54ef39a93199e305af2fe4d7f] | ||
11 | CVE: CVE-2021-3778 | ||
12 | |||
13 | Signed-off-by: Mingli Yu <mingli.yu@windriver.com> | ||
14 | --- | ||
15 | src/regexp_nfa.c | 3 ++- | ||
16 | 1 file changed, 2 insertions(+), 1 deletion(-) | ||
17 | |||
18 | diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c | ||
19 | index fb512f961..2806408de 100644 | ||
20 | --- a/src/regexp_nfa.c | ||
21 | +++ b/src/regexp_nfa.c | ||
22 | @@ -5455,7 +5455,8 @@ find_match_text(colnr_T startcol, int regstart, char_u *match_text) | ||
23 | match = FALSE; | ||
24 | break; | ||
25 | } | ||
26 | - len2 += MB_CHAR2LEN(c2); | ||
27 | + len2 += enc_utf8 ? utf_ptr2len(rex.line + col + len2) | ||
28 | + : MB_CHAR2LEN(c2); | ||
29 | } | ||
30 | if (match | ||
31 | // check that no composing char follows | ||
32 | -- | ||
33 | 2.17.1 | ||
34 | |||
diff --git a/meta/recipes-support/vim/files/CVE-2021-3796.patch b/meta/recipes-support/vim/files/CVE-2021-3796.patch new file mode 100644 index 0000000000..31475af04c --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2021-3796.patch | |||
@@ -0,0 +1,50 @@ | |||
1 | From 6d02e1429771c00046b48f26e53ca4123c3ce4e1 Mon Sep 17 00:00:00 2001 | ||
2 | From: Bram Moolenaar <Bram@vim.org> | ||
3 | Date: Fri, 24 Sep 2021 16:01:09 +0800 | ||
4 | Subject: [PATCH] patch 8.2.3428: using freed memory when replacing | ||
5 | |||
6 | Problem: Using freed memory when replacing. (Dhiraj Mishra) | ||
7 | Solution: Get the line pointer after calling ins_copychar(). | ||
8 | |||
9 | Upstream-Status: Backport [https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3] | ||
10 | CVE: CVE-2021-3796 | ||
11 | |||
12 | Signed-off-by: Mingli Yu <mingli.yu@windriver.com> | ||
13 | --- | ||
14 | src/normal.c | 10 +++++++--- | ||
15 | 1 file changed, 7 insertions(+), 3 deletions(-) | ||
16 | |||
17 | diff --git a/src/normal.c b/src/normal.c | ||
18 | index c4963e621..305b514bc 100644 | ||
19 | --- a/src/normal.c | ||
20 | +++ b/src/normal.c | ||
21 | @@ -5009,19 +5009,23 @@ nv_replace(cmdarg_T *cap) | ||
22 | { | ||
23 | /* | ||
24 | * Get ptr again, because u_save and/or showmatch() will have | ||
25 | - * released the line. At the same time we let know that the | ||
26 | - * line will be changed. | ||
27 | + * released the line. This may also happen in ins_copychar(). | ||
28 | + * At the same time we let know that the line will be changed. | ||
29 | */ | ||
30 | - ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); | ||
31 | if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) | ||
32 | { | ||
33 | int c = ins_copychar(curwin->w_cursor.lnum | ||
34 | + (cap->nchar == Ctrl_Y ? -1 : 1)); | ||
35 | + | ||
36 | + ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); | ||
37 | if (c != NUL) | ||
38 | ptr[curwin->w_cursor.col] = c; | ||
39 | } | ||
40 | else | ||
41 | + { | ||
42 | + ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); | ||
43 | ptr[curwin->w_cursor.col] = cap->nchar; | ||
44 | + } | ||
45 | if (p_sm && msg_silent == 0) | ||
46 | showmatch(cap->nchar); | ||
47 | ++curwin->w_cursor.col; | ||
48 | -- | ||
49 | 2.17.1 | ||
50 | |||
diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index 6fe8fb90db..e45f9b828d 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc | |||
@@ -17,6 +17,8 @@ SRC_URI = "git://github.com/vim/vim.git \ | |||
17 | file://0001-src-Makefile-improve-reproducibility.patch \ | 17 | file://0001-src-Makefile-improve-reproducibility.patch \ |
18 | file://no-path-adjust.patch \ | 18 | file://no-path-adjust.patch \ |
19 | file://racefix.patch \ | 19 | file://racefix.patch \ |
20 | file://CVE-2021-3778.patch \ | ||
21 | file://CVE-2021-3796.patch \ | ||
20 | " | 22 | " |
21 | SRCREV = "98056533b96b6b5d8849641de93185dd7bcadc44" | 23 | SRCREV = "98056533b96b6b5d8849641de93185dd7bcadc44" |
22 | 24 | ||