diff options
Diffstat (limited to 'meta-security/meta-tpm/recipes-tpm/trousers/files/0001-Correct-multiple-security-issues-that-are-present-if.patch')
| -rw-r--r-- | meta-security/meta-tpm/recipes-tpm/trousers/files/0001-Correct-multiple-security-issues-that-are-present-if.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/meta-security/meta-tpm/recipes-tpm/trousers/files/0001-Correct-multiple-security-issues-that-are-present-if.patch b/meta-security/meta-tpm/recipes-tpm/trousers/files/0001-Correct-multiple-security-issues-that-are-present-if.patch deleted file mode 100644 index 72c81d11af..0000000000 --- a/meta-security/meta-tpm/recipes-tpm/trousers/files/0001-Correct-multiple-security-issues-that-are-present-if.patch +++ /dev/null @@ -1,94 +0,0 @@ -From e74dd1d96753b0538192143adf58d04fcd3b242b Mon Sep 17 00:00:00 2001 -From: Matthias Gerstner <mgerstner@suse.de> -Date: Fri, 14 Aug 2020 22:14:36 -0700 -Subject: [PATCH] Correct multiple security issues that are present if the tcsd - is started by root instead of the tss user. - -Patch fixes the following 3 CVEs: - -CVE-2020-24332 -If the tcsd daemon is started with root privileges, -the creation of the system.data file is prone to symlink attacks - -CVE-2020-24330 -If the tcsd daemon is started with root privileges, -it fails to drop the root gid after it is no longer needed - -CVE-2020-24331 -If the tcsd daemon is started with root privileges, -the tss user has read and write access to the /etc/tcsd.conf file - -Authored-by: Matthias Gerstner <mgerstner@suse.de> -Signed-off-by: Debora Velarde Babb <debora@linux.ibm.com> - -Upstream-Status: Backport -CVE: CVE-2020-24332 -CVE: CVE-2020-24330 -CVE: CVE-2020-24331 - -Signed-off-by: Armin Kuster <akuster@mvista.com> - ---- - src/tcs/ps/tcsps.c | 2 +- - src/tcsd/svrside.c | 1 + - src/tcsd/tcsd_conf.c | 10 +++++----- - 3 files changed, 7 insertions(+), 6 deletions(-) - -Index: git/src/tcs/ps/tcsps.c -=================================================================== ---- git.orig/src/tcs/ps/tcsps.c -+++ git/src/tcs/ps/tcsps.c -@@ -72,7 +72,7 @@ get_file() - } - - /* open and lock the file */ -- system_ps_fd = open(tcsd_options.system_ps_file, O_CREAT|O_RDWR, 0600); -+ system_ps_fd = open(tcsd_options.system_ps_file, O_CREAT|O_RDWR|O_NOFOLLOW, 0600); - if (system_ps_fd < 0) { - LogError("system PS: open() of %s failed: %s", - tcsd_options.system_ps_file, strerror(errno)); -Index: git/src/tcsd/svrside.c -=================================================================== ---- git.orig/src/tcsd/svrside.c -+++ git/src/tcsd/svrside.c -@@ -473,6 +473,7 @@ main(int argc, char **argv) - } - return TCSERR(TSS_E_INTERNAL_ERROR); - } -+ setgid(pwd->pw_gid); - setuid(pwd->pw_uid); - #endif - #endif -Index: git/src/tcsd/tcsd_conf.c -=================================================================== ---- git.orig/src/tcsd/tcsd_conf.c -+++ git/src/tcsd/tcsd_conf.c -@@ -743,7 +743,7 @@ conf_file_init(struct tcsd_config *conf) - #ifndef SOLARIS - struct group *grp; - struct passwd *pw; -- mode_t mode = (S_IRUSR|S_IWUSR); -+ mode_t mode = (S_IRUSR|S_IWUSR|S_IRGRP); - #endif /* SOLARIS */ - TSS_RESULT result; - -@@ -798,15 +798,15 @@ conf_file_init(struct tcsd_config *conf) - } - - /* make sure user/group TSS owns the conf file */ -- if (pw->pw_uid != stat_buf.st_uid || grp->gr_gid != stat_buf.st_gid) { -+ if (stat_buf.st_uid != 0 || grp->gr_gid != stat_buf.st_gid) { - LogError("TCSD config file (%s) must be user/group %s/%s", tcsd_config_file, -- TSS_USER_NAME, TSS_GROUP_NAME); -+ "root", TSS_GROUP_NAME); - return TCSERR(TSS_E_INTERNAL_ERROR); - } - -- /* make sure only the tss user can manipulate the config file */ -+ /* make sure only the tss user can read (but not manipulate) the config file */ - if (((stat_buf.st_mode & 0777) ^ mode) != 0) { -- LogError("TCSD config file (%s) must be mode 0600", tcsd_config_file); -+ LogError("TCSD config file (%s) must be mode 0640", tcsd_config_file); - return TCSERR(TSS_E_INTERNAL_ERROR); - } - #endif /* SOLARIS */ |