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Accepting request 909201 from home:aplanas:branches:security

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- Add 0001-tpm2_eventlog-fix-buffer-offset-when-reading-the-eve.patch to
fix the offset of the read buffer

OBS-URL: https://build.opensuse.org/request/show/909201
OBS-URL: https://build.opensuse.org/package/show/security/tpm2.0-tools?expand=0&rev=83
This commit is contained in:
Matthias Gerstner 2021-07-30 08:12:10 +00:00 committed by Git OBS Bridge
parent 9bf3cf3cac
commit 2daa4759e2
3 changed files with 42 additions and 0 deletions
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35
0001-tpm2_eventlog-fix-buffer-offset-when-reading-the-eve.patch Normal file
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@ -0,0 +1,35 @@
From 24e193412eac3985baea5e83e3245a4315c86ebe Mon Sep 17 00:00:00 2001
From: Alberto Planas <aplanas@suse.com>
Date: Thu, 29 Jul 2021 16:02:50 +0200
Subject: [PATCH 1/1] tpm2_eventlog: fix buffer offset when reading the event
log
The event log is read in chunks of CHUNK_SIZE blocks (16KB), always
checking when the EOF is reached, so it is compatible with virtual files
that lives in securityfs and we do not know the full size. The current
code is not taking care of adjusting the offset when the next chunk is
read.
This patch add "size" to the base buffer where the event log is stored
in memory.
Fix #2778
Signed-off-by: Alberto Planas <aplanas@suse.com>
---
tools/misc/tpm2_eventlog.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: tpm2-tools-5.1.1/tools/misc/tpm2_eventlog.c
===================================================================
--- tpm2-tools-5.1.1.orig/tools/misc/tpm2_eventlog.c
+++ tpm2-tools-5.1.1/tools/misc/tpm2_eventlog.c
@@ -90,7 +90,7 @@ static tool_rc tpm2_tool_onrun(ESYS_CONT
}
unsigned long size = 0;
- while (files_read_bytes_chunk(fileptr, eventlog, CHUNK_SIZE, &size)) {
+ while (files_read_bytes_chunk(fileptr, eventlog + size, CHUNK_SIZE, &size)) {
UINT8 *eventlog_tmp = realloc(eventlog, size + CHUNK_SIZE);
if (eventlog_tmp == NULL){
LOG_ERR("failed to allocate %lu bytes: %s", size + CHUNK_SIZE, strerror(errno));

6
tpm2.0-tools.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Thu Jul 29 14:15:11 UTC 2021 - Alberto Planas Dominguez <aplanas@suse.com>
- Add 0001-tpm2_eventlog-fix-buffer-offset-when-reading-the-eve.patch to
fix the offset of the read buffer
-------------------------------------------------------------------
Thu Jul 8 09:07:05 UTC 2021 - Matthias Gerstner <matthias.gerstner@suse.com>

1
tpm2.0-tools.spec
View File

@ -30,6 +30,7 @@ Source2: tpm2-tools.keyring
Patch0: fix_bogus_warning.patch
Patch2: 0001-tpm2_checkquote-fix-uninitialized-variable.patch
Patch3: 0001-tpm2_eventlog-read-eventlog-file-in-chunks.patch
Patch4: 0001-tpm2_eventlog-fix-buffer-offset-when-reading-the-eve.patch
BuildRequires: gcc-c++
BuildRequires: libcurl-devel
BuildRequires: libopenssl-devel