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import sudo-1.8.29-7.el8_4.1

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CentOS Sources 2021-11-02 03:51:09 -04:00 committed by Stepan Oksanichenko
parent d13292b8f6
commit bc5d849802
2 changed files with 47 additions and 1 deletions
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35
SOURCES/sudo-1.9.7-sigchild.patch Normal file
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@ -0,0 +1,35 @@
From 727056e0c9519d8eecde801e950b35f2f69c72e2 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Date: Fri, 23 Apr 2021 07:41:27 -0600
Subject: [PATCH] Make sure SIGCHLD is not ignored when sudo is executed. If
SIGCHLD is ignored there is a race condition between when the process is
executed and when the SIGCHLD handler is installed. This fixes the bug
described by GitHub PR #98
---
src/signal.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/signal.c b/src/signal.c
index 7f90d707b..866b64790 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -133,6 +133,18 @@ init_signals(void)
case SIGTTOU:
/* Don't install these until exec time. */
break;
+ case SIGCHLD:
+ /* Sudo needs to be able to catch SIGCHLD. */
+ if (ss->sa.sa_handler == SIG_IGN) {
+ sudo_debug_printf(SUDO_DEBUG_INFO,
+ "will restore signal %d on exec", SIGCHLD);
+ ss->restore = true;
+ }
+ if (sigaction(SIGCHLD, &sa, NULL) != 0) {
+ sudo_warn(U_("unable to set handler for signal %d"),
+ SIGCHLD);
+ }
+ break;
default:
if (ss->sa.sa_handler != SIG_IGN) {
if (sigaction(ss->signo, &sa, NULL) != 0) {

13
SPECS/sudo.spec
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@ -1,7 +1,7 @@
Summary: Allows restricted root access for specified users
Name: sudo
Version: 1.8.29
Release: 7%{?dist}
Release: 7%{?dist}.1
License: ISC
Group: Applications/System
URL: https://www.sudo.ws/
@ -67,6 +67,9 @@ Patch16: sudo-1.9.5-CVE-2021-23240-3.patch
Patch17: sudo-1.9.5-CVE-2021-23240-4.patch
Patch18: sudo-1.9.5-CVE-2021-23240-5.patch
# 2015136 - Request to backport https://www.sudo.ws/repos/sudo/rev/b4c91a0f72e7 to RHEL 8 [rhel-8.4.0.z]
Patch19: sudo-1.9.7-sigchild.patch
%description
Sudo (superuser do) allows a system administrator to give certain
users (or groups of users) the ability to run some (or all) commands
@ -113,6 +116,9 @@ plugins that use %{name}.
%patch17 -p1 -b .symbolic-link-attack-4
%patch18 -p1 -b .symbolic-link-attack-5
%patch19 -p1 -b .sigchild
%build
# Remove bundled copy of zlib
rm -rf zlib/
@ -271,6 +277,11 @@ rm -rf $RPM_BUILD_ROOT
%{_mandir}/man8/sudo_plugin.8*
%changelog
* Tue Oct 19 2021 RAdovan Sroka <rsroka@redhat.com> - 1.8.29-7.1
RHEL 8.4.0 ZSTREAM ERRATUM
- Make sure SIGCHLD is not ignored when sudo is executed
Resolves: rhbz#2015136
* Tue Feb 02 2021 Radovan Sroka <rsroka@redhat.com> - 1.8.29-7
- RHEL 8.4 ERRATUM
- CVE-2021-3156