diff options
Diffstat (limited to 'meta/recipes-extended/tar/tar')
-rw-r--r-- | meta/recipes-extended/tar/tar/CVE-2022-48303.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-extended/tar/tar/CVE-2022-48303.patch b/meta/recipes-extended/tar/tar/CVE-2022-48303.patch new file mode 100644 index 0000000000..b2f40f3e64 --- /dev/null +++ b/meta/recipes-extended/tar/tar/CVE-2022-48303.patch | |||
@@ -0,0 +1,43 @@ | |||
1 | From 3da78400eafcccb97e2f2fd4b227ea40d794ede8 Mon Sep 17 00:00:00 2001 | ||
2 | From: Sergey Poznyakoff <gray@gnu.org> | ||
3 | Date: Sat, 11 Feb 2023 11:57:39 +0200 | ||
4 | Subject: Fix boundary checking in base-256 decoder | ||
5 | |||
6 | * src/list.c (from_header): Base-256 encoding is at least 2 bytes | ||
7 | long. | ||
8 | |||
9 | Upstream-Status: Backport [see reference below] | ||
10 | CVE: CVE-2022-48303 | ||
11 | |||
12 | Reference to upstream patch: | ||
13 | https://savannah.gnu.org/bugs/?62387 | ||
14 | https://git.savannah.gnu.org/cgit/tar.git/patch/src/list.c?id=3da78400eafcccb97e2f2fd4b227ea40d794ede8 | ||
15 | |||
16 | Signed-off-by: Rodolfo Quesada Zumbado <rodolfo.zumbado@windriver.com> | ||
17 | Signed-off-by: Joe Slater <joe.slater@windriver.com> | ||
18 | --- | ||
19 | src/list.c | 5 +++-- | ||
20 | 1 file changed, 3 insertions(+), 2 deletions(-)Signed-off-by: Rodolfo Quesada Zumbado <rodolfo.zumbado@windriver.com> | ||
21 | |||
22 | |||
23 | (limited to 'src/list.c') | ||
24 | |||
25 | diff --git a/src/list.c b/src/list.c | ||
26 | index 9fafc42..86bcfdd 100644 | ||
27 | --- a/src/list.c | ||
28 | +++ b/src/list.c | ||
29 | @@ -881,8 +881,9 @@ from_header (char const *where0, size_t digs, char const *type, | ||
30 | where++; | ||
31 | } | ||
32 | } | ||
33 | - else if (*where == '\200' /* positive base-256 */ | ||
34 | - || *where == '\377' /* negative base-256 */) | ||
35 | + else if (where <= lim - 2 | ||
36 | + && (*where == '\200' /* positive base-256 */ | ||
37 | + || *where == '\377' /* negative base-256 */)) | ||
38 | { | ||
39 | /* Parse base-256 output. A nonnegative number N is | ||
40 | represented as (256**DIGS)/2 + N; a negative number -N is | ||
41 | -- | ||
42 | cgit v1.1 | ||
43 | |||