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Accepting request 346999 from home:tsaupe:branches:Base:System:bsc956712-systemd

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fix CVE-2015-7510: Stack overflow in nss-mymachines (boo#956712)

OBS-URL: https://build.opensuse.org/request/show/346999
OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=921
This commit is contained in:
Marcus Meissner 2015-12-02 15:48:26 +00:00 committed by Git OBS Bridge
parent 3a9ea8f8a3
commit 2e1f7c4ae0
5 changed files with 55 additions and 0 deletions
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37
0001-nss-mymachines-do-not-allow-overlong-machine-names.patch Normal file
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@ -0,0 +1,37 @@
From cb31827d62066a04b02111df3052949fda4b6888 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Mon, 23 Nov 2015 13:59:43 -0500
Subject: [PATCH] nss-mymachines: do not allow overlong machine names
https://github.com/systemd/systemd/issues/2002
---
src/nss-mymachines/nss-mymachines.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/nss-mymachines/nss-mymachines.c b/src/nss-mymachines/nss-mymachines.c
index 969fa96..c98a959 100644
--- a/src/nss-mymachines/nss-mymachines.c
+++ b/src/nss-mymachines/nss-mymachines.c
@@ -416,6 +416,9 @@ enum nss_status _nss_mymachines_getpwnam_r(
if (!e || e == p)
goto not_found;
+ if (e - p > HOST_NAME_MAX - 1) /* -1 for the last dash */
+ goto not_found;
+
r = parse_uid(e + 1, &uid);
if (r < 0)
goto not_found;
@@ -573,6 +576,9 @@ enum nss_status _nss_mymachines_getgrnam_r(
if (!e || e == p)
goto not_found;
+ if (e - p > HOST_NAME_MAX - 1) /* -1 for the last dash */
+ goto not_found;
+
r = parse_gid(e + 1, &gid);
if (r < 0)
goto not_found;
--
2.1.4

6
systemd-mini.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon Nov 30 13:59:52 UTC 2015 - thomas.blume@suse.com
- fix CVE-2015-7510: Stack overflow in nss-mymachines (boo#956712)
Add 0001-nss-mymachines-do-not-allow-overlong-machine-names.patch
-------------------------------------------------------------------
Wed Nov 18 14:17:05 UTC 2015 - jengelh@inai.de

3
systemd-mini.spec
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@ -245,6 +245,8 @@ Patch521: kbd-model-map.patch
Patch522: Correct_assert_on_unexpected_error_code.patch
# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
# PATCH-FIX-UPSTREAM (bsc#956712)
Patch524: 0001-nss-mymachines-do-not-allow-overlong-machine-names.patch
# UDEV PATCHES
# ============
@ -582,6 +584,7 @@ cp %{SOURCE7} m4/
%patch521 -p1
%patch522 -p1
%patch523 -p0
%patch524 -p1
# udev patches
%patch1002 -p1

6
systemd.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon Nov 30 13:59:52 UTC 2015 - thomas.blume@suse.com
- fix CVE-2015-7510: Stack overflow in nss-mymachines (boo#956712)
Add 0001-nss-mymachines-do-not-allow-overlong-machine-names.patch
-------------------------------------------------------------------
Wed Nov 18 14:17:05 UTC 2015 - jengelh@inai.de

3
systemd.spec
View File

@ -240,6 +240,8 @@ Patch521: kbd-model-map.patch
Patch522: Correct_assert_on_unexpected_error_code.patch
# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
# PATCH-FIX-UPSTREAM (bsc#956712)
Patch524: 0001-nss-mymachines-do-not-allow-overlong-machine-names.patch
# UDEV PATCHES
# ============
@ -577,6 +579,7 @@ cp %{SOURCE7} m4/
%patch521 -p1
%patch522 -p1
%patch523 -p0
%patch524 -p1
# udev patches
%patch1002 -p1