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tar: Fix CVE-2022-48303

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(From OE-Core rev: 4573a584397f197fbc9170abec3c590ea36667f7)

Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chee Yang Lee
2023-02-09 20:46:26 +08:00
committed by Richard Purdie
parent 2c5d73a947
commit 8edbf98894
2 changed files with 39 additions and 1 deletions
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36
meta/recipes-extended/tar/files/CVE-2022-48303.patch Normal file
View File

@@ -0,0 +1,36 @@
From 1d530107a24d71e798727d7f0afa0833473d1074 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matej=20Mu=C5=BEila?= <mmuzila@gmail.com>
Date: Wed, 11 Jan 2023 08:55:58 +0100
Subject: [PATCH] Fix savannah bug #62387
* src/list.c (from_header): Check for the end of field after leading byte
(0x80 or 0xff) of base-256 encoded header value
Upstream-Status: Backport
[https://savannah.gnu.org/patch/download.php?file_id=54212]
CVE: CVE-2022-48303
Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
---
src/list.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/list.c b/src/list.c
index 9fafc425..bf41b581 100644
--- a/src/list.c
+++ b/src/list.c
@@ -895,6 +895,12 @@ from_header (char const *where0, size_t digs, char const *type,
<< (CHAR_BIT * sizeof (uintmax_t)
- LG_256 - (LG_256 - 2)));
value = (*where++ & ((1 << (LG_256 - 2)) - 1)) - signbit;
+ if (where == lim)
+ {
+ if (type && !silent)
+ ERROR ((0, 0, _("Archive base-256 value is invalid")));
+ return -1;
+ }
for (;;)
{
value = (value << LG_256) + (unsigned char) *where++;
--
2.38.1

4
meta/recipes-extended/tar/tar_1.34.bb
View File

@@ -6,7 +6,9 @@ SECTION = "base"
LICENSE = "GPL-3.0-only"
LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
SRC_URI = "${GNU_MIRROR}/tar/tar-${PV}.tar.bz2"
SRC_URI = "${GNU_MIRROR}/tar/tar-${PV}.tar.bz2 \
file://CVE-2022-48303.patch \
"
SRC_URI[sha256sum] = "b44cc67f8a1f6b0250b7c860e952b37e8ed932a90bd9b1862a511079255646ff"