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https://src.fedoraproject.org/rpms/grub2.git
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bd7cb174b2
Resolves: CVE-2020-14372 Resolves: CVE-2020-25632 Resolves: CVE-2020-25647 Resolves: CVE-2020-27749 Resolves: CVE-2020-27779 Resolves: CVE-2021-20225 Resolves: CVE-2021-20233 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
48 lines
1.7 KiB
Diff
48 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Mon, 9 Mar 2020 15:29:45 +0100
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Subject: [PATCH] efi/net: Allow to specify a port number in addresses
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The grub_efi_net_parse_address() function is not covering the case where a
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port number is specified in an IPv4 or IPv6 address, so will fail to parse
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the network address.
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For most cases the issue is harmless, because the function is only used to
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match an address with a network interface and if fails the default is used.
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But still is a bug that has to be fixed and it causes error messages to be
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printed like the following:
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error: net/efi/net.c:782:unrecognised network address '192.168.122.1:8080'
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error: net/efi/net.c:781:unrecognised network address '[2000:dead:beef:a::1]:8080'
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Resolves: rhbz#1732765
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/net/efi/net.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/grub-core/net/efi/net.c b/grub-core/net/efi/net.c
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index 6603cd83edc..84573937b18 100644
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--- a/grub-core/net/efi/net.c
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+++ b/grub-core/net/efi/net.c
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@@ -742,7 +742,7 @@ grub_efi_net_parse_address (const char *address,
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return GRUB_ERR_NONE;
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}
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}
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- else if (*rest == 0)
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+ else if (*rest == 0 || *rest == ':')
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{
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grub_uint32_t subnet_mask = 0xffffffffU;
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grub_memcpy (ip4->subnet_mask, &subnet_mask, sizeof (ip4->subnet_mask));
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@@ -768,7 +768,7 @@ grub_efi_net_parse_address (const char *address,
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return GRUB_ERR_NONE;
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}
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}
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- else if (*rest == 0)
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+ else if (*rest == 0 || *rest == ':')
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{
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ip6->prefix_length = 128;
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ip6->is_anycast = 0;
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