Update to 1.9.8p2
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From 8781560e1bf30e2b7fa564865d138f663bbfa125 Mon Sep 17 00:00:00 2001
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From: "Todd C. Miller" <Todd.Miller@sudo.ws>
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Date: Fri, 29 Jan 2021 09:23:51 -0700
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Subject: [PATCH] In json_stack_push() treat stack exhaustion like memory
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allocation failure. Return NULL instead of treating as a fatal error. This
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should make life a little easier for oss-fuzz.
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---
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lib/iolog/iolog_json.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/lib/iolog/iolog_json.c b/lib/iolog/iolog_json.c
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index 684f938..9c7754f 100644
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--- a/lib/iolog/iolog_json.c
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+++ b/lib/iolog/iolog_json.c
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@@ -548,6 +548,12 @@ json_stack_push(struct json_stack *stack, struct json_item_list *items,
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struct json_item *item;
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debug_decl(iolog_parse_loginfo_json, SUDO_DEBUG_UTIL);
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+ /* We limit the stack size rather than expanding it. */
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+ if (stack->depth >= stack->maxdepth) {
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+ sudo_warnx(U_("json stack exhausted (max %u frames)"), stack->maxdepth);
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+ debug_return_ptr(NULL);
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+ }
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+
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/* Allocate a new item and insert it into the list. */
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if ((item = new_json_item(type, name, lineno)) == NULL)
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debug_return_ptr(NULL);
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@@ -555,9 +561,7 @@ json_stack_push(struct json_stack *stack, struct json_item_list *items,
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item->u.child.parent = item;
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TAILQ_INSERT_TAIL(items, item, entries);
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- /* Push the current frame onto the stack. */
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- if (stack->depth == stack->maxdepth)
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- sudo_fatalx(U_("internal error, %s overflow"), __func__);
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+ /* Push the current frame onto the stack (depth check performed above). */
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stack->frames[stack->depth++] = frame;
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/* Return the new frame */
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--
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1.8.3.1
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Binary file not shown.
BIN
sudo-1.9.8p2.tar.gz
Normal file
BIN
sudo-1.9.8p2.tar.gz
Normal file
Binary file not shown.
20
sudo.spec
20
sudo.spec
@ -1,6 +1,6 @@
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Name: sudo
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Name: sudo
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Version: 1.9.5p2
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Version: 1.9.8p2
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Release: 3
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Release: 1
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Summary: Allows restricted root access for specified users
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Summary: Allows restricted root access for specified users
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License: ISC
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License: ISC
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URL: http://www.courtesan.com/sudo/
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URL: http://www.courtesan.com/sudo/
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@ -10,8 +10,6 @@ Source1: sudoers
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Source2: sudo
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Source2: sudo
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Source3: sudo-i
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Source3: sudo-i
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Patch0: backport-In-json_stack_push-treat-stack-exhaustion-like-memory-allocation-failure.patch
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Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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Requires: pam
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Requires: pam
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Recommends: vim-minimal
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Recommends: vim-minimal
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@ -19,7 +17,7 @@ Requires(post): coreutils
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BuildRequires: pam-devel groff openldap-devel flex bison automake autoconf libtool
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BuildRequires: pam-devel groff openldap-devel flex bison automake autoconf libtool
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BuildRequires: audit-libs-devel libcap-devel libselinux-devel sendmail gettext zlib-devel
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BuildRequires: audit-libs-devel libcap-devel libselinux-devel sendmail gettext zlib-devel
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BuildRequires: chrpath openssl-devel python3-devel
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BuildRequires: chrpath
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%description
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%description
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Sudo is a program designed to allow a sysadmin to give limited root privileges
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Sudo is a program designed to allow a sysadmin to give limited root privileges
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@ -47,8 +45,10 @@ export CFLAGS="$RPM_OPT_FLAGS -fpie" LDFLAGS="-pie -Wl,-z,relro -Wl,-z,now"
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--sbindir=%{_sbindir} \
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--sbindir=%{_sbindir} \
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--libdir=%{_libdir} \
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--libdir=%{_libdir} \
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--docdir=%{_pkgdocdir} \
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--docdir=%{_pkgdocdir} \
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--enable-openssl \
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--disable-root-mailer \
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--disable-root-mailer \
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--disable-intercept \
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--disable-log-server \
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--disable-log-client \
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--with-logging=syslog \
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--with-logging=syslog \
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--with-logfac=authpriv \
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--with-logfac=authpriv \
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--with-pam \
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--with-pam \
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@ -60,7 +60,6 @@ export CFLAGS="$RPM_OPT_FLAGS -fpie" LDFLAGS="-pie -Wl,-z,relro -Wl,-z,now"
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--with-ldap \
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--with-ldap \
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--with-selinux \
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--with-selinux \
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--with-passprompt="[sudo] password for %p: " \
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--with-passprompt="[sudo] password for %p: " \
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--enable-python \
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--with-linux-audit \
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--with-linux-audit \
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--with-sssd
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--with-sssd
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@ -130,10 +129,6 @@ install -p -c -m 0644 %{SOURCE3} $RPM_BUILD_ROOT/etc/pam.d/sudo-i
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%attr(0644,root,root) %{_libexecdir}/sudo/audit_json.so
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%attr(0644,root,root) %{_libexecdir}/sudo/audit_json.so
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%attr(0644,root,root) %{_libexecdir}/sudo/sample_approval.so
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%attr(0644,root,root) %{_libexecdir}/sudo/sample_approval.so
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%attr(0644,root,root) %{_libexecdir}/sudo/libsudo_util.so*
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%attr(0644,root,root) %{_libexecdir}/sudo/libsudo_util.so*
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%attr(0644,root,root) %{_libexecdir}/sudo/python_plugin.so
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%attr(0640,root,root) %config(noreplace) /etc/sudo_logsrvd.conf
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%attr(0755,root,root) %{_sbindir}/sudo_logsrvd
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%attr(0755,root,root) %{_sbindir}/sudo_sendlog
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%dir /var/db/sudo
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%dir /var/db/sudo
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%dir /var/db/sudo/lectured
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%dir /var/db/sudo/lectured
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%dir %{_libexecdir}/sudo
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%dir %{_libexecdir}/sudo
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@ -155,6 +150,9 @@ install -p -c -m 0644 %{SOURCE3} $RPM_BUILD_ROOT/etc/pam.d/sudo-i
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%exclude %{_pkgdocdir}/ChangeLog
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%exclude %{_pkgdocdir}/ChangeLog
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%changelog
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%changelog
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* Tue Feb 15 2022 panxiaohe <panxh.life@foxmail.com> - 1.9.8p2-1
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- Update to 1.9.8p2
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* Thu Sep 16 2021 yixiangzhike <zhangxingliang3@huawei.com> - 1.9.5p2-3
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* Thu Sep 16 2021 yixiangzhike <zhangxingliang3@huawei.com> - 1.9.5p2-3
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- DESC: treat stack exhaustion like memory allocation failure
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- DESC: treat stack exhaustion like memory allocation failure
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