libarchive/CVE-2024-57970.patch
2025-02-26 14:16:30 +00:00

32 lines
1.1 KiB
Diff

From ca233156bfecef7fe713fe7bb86decfda728e364 Mon Sep 17 00:00:00 2001
From: Tim Kientzle <kientzle@acm.org>
Date: Wed, 4 Dec 2024 10:41:12 -0800
Subject: [PATCH] Handle truncation in the middle of a GNU long linkname
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Thanks to gbdngb12 김동건 for reporting this.
Resolves Issue #2415
---
libarchive/archive_read_support_format_tar.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libarchive/archive_read_support_format_tar.c b/libarchive/archive_read_support_format_tar.c
index 4aaf1b90ce..b1344ae57d 100644
--- a/libarchive/archive_read_support_format_tar.c
+++ b/libarchive/archive_read_support_format_tar.c
@@ -1146,7 +1146,9 @@ header_gnu_longlink(struct archive_read *a, struct tar *tar,
struct archive_string linkpath;
archive_string_init(&linkpath);
err = read_body_to_string(a, tar, &linkpath, h, unconsumed);
- archive_entry_set_link(entry, linkpath.s);
+ if (err == ARCHIVE_OK) {
+ archive_entry_set_link(entry, linkpath.s);
+ }
archive_string_free(&linkpath);
return (err);
}