because it mishandles truncation (CVE-2024-57970, bsc#1237233) * CVE-2024-57970.patch OBS-URL: https://build.opensuse.org/package/show/Archiving/libarchive?expand=0&rev=133
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From ca233156bfecef7fe713fe7bb86decfda728e364 Mon Sep 17 00:00:00 2001
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From: Tim Kientzle <kientzle@acm.org>
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Date: Wed, 4 Dec 2024 10:41:12 -0800
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Subject: [PATCH] Handle truncation in the middle of a GNU long linkname
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Thanks to gbdngb12 김동건 for reporting this.
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Resolves Issue #2415
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---
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libarchive/archive_read_support_format_tar.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/libarchive/archive_read_support_format_tar.c b/libarchive/archive_read_support_format_tar.c
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index 4aaf1b90ce..b1344ae57d 100644
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--- a/libarchive/archive_read_support_format_tar.c
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+++ b/libarchive/archive_read_support_format_tar.c
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@@ -1146,7 +1146,9 @@ header_gnu_longlink(struct archive_read *a, struct tar *tar,
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struct archive_string linkpath;
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archive_string_init(&linkpath);
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err = read_body_to_string(a, tar, &linkpath, h, unconsumed);
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- archive_entry_set_link(entry, linkpath.s);
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+ if (err == ARCHIVE_OK) {
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+ archive_entry_set_link(entry, linkpath.s);
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+ }
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archive_string_free(&linkpath);
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return (err);
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}
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