app-crypt/trousers: add patch for CVEs

Signed-off-by: Thilo Fromm <thilo@kinvolk.io>
This commit is contained in:
Thilo Fromm 2020-11-13 16:44:29 +01:00
parent da29970ce8
commit 0e753a02f8
2 changed files with 59 additions and 0 deletions

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@ -0,0 +1,58 @@
Index: trousers-0.3.14/src/tcs/ps/tcsps.c
===================================================================
--- trousers-0.3.14.orig/src/tcs/ps/tcsps.c
+++ trousers-0.3.14/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: trousers-0.3.14/src/tcsd/svrside.c
===================================================================
--- trousers-0.3.14.orig/src/tcsd/svrside.c
+++ trousers-0.3.14/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: trousers-0.3.14/src/tcsd/tcsd_conf.c
===================================================================
--- trousers-0.3.14.orig/src/tcsd/tcsd_conf.c
+++ trousers-0.3.14/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 */

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@ -36,6 +36,7 @@ PATCHES=(
"${FILESDIR}/${P}-libressl.patch" "${FILESDIR}/${P}-libressl.patch"
"${FILESDIR}/${P}-fno-common.patch" "${FILESDIR}/${P}-fno-common.patch"
"${FILESDIR}/${P}-Makefile.am-Mark-tddl.a-nodist.patch" "${FILESDIR}/${P}-Makefile.am-Mark-tddl.a-nodist.patch"
"${FILESDIR}/${P}-CVE-2020-24330_CVE-2020-24331_CVE-2020-24332.patch"
) )
DOCS="AUTHORS ChangeLog NICETOHAVES README TODO" DOCS="AUTHORS ChangeLog NICETOHAVES README TODO"