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author | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-12-17 04:11:34 +0300 |
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committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2019-01-09 02:21:44 +0300 |
commit | 1a4b7ee28bf7413af6513fb45ad0d0736048f866 (patch) | |
tree | 79f6d8ea698cab8f2eaf4f54b793d2ca7a1451ce /poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch | |
parent | 5b9ede0403237c7dace972affa65cf64a1aadd0e (diff) | |
download | openbmc-1a4b7ee28bf7413af6513fb45ad0d0736048f866.tar.xz |
reset upstream subtrees to yocto 2.6
Reset the following subtrees on thud HEAD:
poky: 87e3a9739d
meta-openembedded: 6094ae18c8
meta-security: 31dc4e7532
meta-raspberrypi: a48743dc36
meta-xilinx: c42016e2e6
Also re-apply backports that didn't make it into thud:
poky:
17726d0 systemd-systemctl-native: handle Install wildcards
meta-openembedded:
4321a5d libtinyxml2: update to 7.0.1
042f0a3 libcereal: Add native and nativesdk classes
e23284f libcereal: Allow empty package
030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
179a1b9 gtest: update to 1.8.1
Squashed OpenBMC subtree compatibility updates:
meta-aspeed:
Brad Bishop (1):
aspeed: add yocto 2.6 compatibility
meta-ibm:
Brad Bishop (1):
ibm: prepare for yocto 2.6
meta-ingrasys:
Brad Bishop (1):
ingrasys: set layer compatibility to yocto 2.6
meta-openpower:
Brad Bishop (1):
openpower: set layer compatibility to yocto 2.6
meta-phosphor:
Brad Bishop (3):
phosphor: set layer compatibility to thud
phosphor: libgpg-error: drop patches
phosphor: react to fitimage artifact rename
Ed Tanous (4):
Dropbear: upgrade options for latest upgrade
yocto2.6: update openssl options
busybox: remove upstream watchdog patch
systemd: Rebase CONFIG_CGROUP_BPF patch
Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Diffstat (limited to 'poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch')
-rw-r--r-- | poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch b/poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch deleted file mode 100644 index ee728f095..000000000 --- a/poky/meta/recipes-extended/shadow/files/CVE-2017-2616.patch +++ /dev/null @@ -1,64 +0,0 @@ -shadow-4.2.1: Fix CVE-2017-2616 - -[No upstream tracking] -- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855943 - -su: properly clear child PID - -If su is compiled with PAM support, it is possible for any local user -to send SIGKILL to other processes with root privileges. There are -only two conditions. First, the user must be able to perform su with -a successful login. This does NOT have to be the root user, even using -su with the same id is enough, e.g. "su $(whoami)". Second, SIGKILL -can only be sent to processes which were executed after the su process. -It is not possible to send SIGKILL to processes which were already -running. I consider this as a security vulnerability, because I was -able to write a proof of concept which unlocked a screen saver of -another user this way. - -Upstream-Status: Backport [https://github.com/shadow-maint/shadow/commit/08fd4b69e84364677a10e519ccb25b71710ee686] -CVE: CVE-2017-2616 -bug: 855943 -Signed-off-by: Andrej Valek <andrej.valek@siemens.com> - -diff --git a/src/su.c b/src/su.c -index 3704217..1efcd61 100644 ---- a/src/su.c -+++ b/src/su.c -@@ -363,20 +363,35 @@ static void prepare_pam_close_session (void) - /* wake child when resumed */ - kill (pid, SIGCONT); - stop = false; -+ } else { -+ pid_child = 0; - } - } while (!stop); - } - -- if (0 != caught) { -+ if (0 != caught && 0 != pid_child) { - (void) fputs ("\n", stderr); - (void) fputs (_("Session terminated, terminating shell..."), - stderr); - (void) kill (-pid_child, caught); - - (void) signal (SIGALRM, kill_child); -+ (void) signal (SIGCHLD, catch_signals); - (void) alarm (2); - -- (void) wait (&status); -+ sigemptyset (&ourset); -+ if ((sigaddset (&ourset, SIGALRM) != 0) -+ || (sigprocmask (SIG_BLOCK, &ourset, NULL) != 0)) { -+ fprintf (stderr, _("%s: signal masking malfunction\n"), Prog); -+ kill_child (0); -+ } else { -+ while (0 == waitpid (pid_child, &status, WNOHANG)) { -+ sigsuspend (&ourset); -+ } -+ pid_child = 0; -+ (void) sigprocmask (SIG_UNBLOCK, &ourset, NULL); -+ } -+ - (void) fputs (_(" ...terminated.\n"), stderr); - } - |