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Code Issues Projects Releases Wiki Activity

libconfuse: patch CVE-2022-40320

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Pick patch per [1] poiting to [2] pointing to [3].

[1] https://nvd.nist.gov/vuln/detail/CVE-2022-40320
[2] https://github.com/libconfuse/libconfuse/issues/163
[3] https://github.com/libconfuse/libconfuse/commit/d73777c2c3566fb2647727bb56d9a2295b81669b

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit c048c04101)
Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
This commit is contained in:
Ankur Tyagi
2025-10-15 09:47:57 +13:00
committed by Anuj Mittal
parent a7b0b1cba8
commit 3e72a5f33c
2 changed files with 46 additions and 1 deletions
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meta-networking/recipes-support/libconfuse/files/CVE-2022-40320.patch
Executable
+42
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@@ -0,0 +1,42 @@
From d73777c2c3566fb2647727bb56d9a2295b81669b Mon Sep 17 00:00:00 2001
From: Joachim Wiberg <troglobit@gmail.com>
Date: Fri, 2 Sep 2022 16:12:46 +0200
Subject: [PATCH] Fix #163: unterminated username used with getpwnam()
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
CVE: CVE-2022-40320
Upstream-Status: Backport [https://github.com/libconfuse/libconfuse/commit/d73777c2c3566fb2647727bb56d9a2295b81669b]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
src/confuse.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/confuse.c b/src/confuse.c
index 6d1fdbd..05566b5 100644
--- a/src/confuse.c
+++ b/src/confuse.c
@@ -1872,17 +1872,20 @@ DLLIMPORT char *cfg_tilde_expand(const char *filename)
file = filename + 1;
} else {
/* ~user or ~user/path */
- char *user;
+ char *user; /* ~user or ~user/path */
+ size_t len;
file = strchr(filename, '/');
if (file == 0)
file = filename + strlen(filename);
- user = malloc(file - filename);
+ len = file - filename - 1;
+ user = malloc(len + 1);
if (!user)
return NULL;
- strncpy(user, filename + 1, file - filename - 1);
+ strncpy(user, &filename[1], len);
+ user[len] = 0;
passwd = getpwnam(user);
free(user);
}
meta-networking/recipes-support/libconfuse/libconfuse_3.3.bb
+4 -1
View File
@@ -3,7 +3,10 @@ LICENSE = "ISC"
LIC_FILES_CHKSUM = "file://LICENSE;md5=42fa47330d4051cd219f7d99d023de3a"
SRCREV = "a42aebf13db33afd575da6e63f55163d371f776d"
SRC_URI = "git://github.com/libconfuse/libconfuse.git;branch=master;protocol=https"
SRC_URI = " \
git://github.com/libconfuse/libconfuse.git;branch=master;protocol=https \
file://CVE-2022-40320.patch \
"
inherit autotools-brokensep pkgconfig gettext