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Accepting request 398987 from home:Andreas_Schwab:Factory

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- clntudp-call-alloca.patch: do not use alloca in clntudp_call
  (CVE-2016-4429, bsc#980854, BZ #20112)

OBS-URL: https://build.opensuse.org/request/show/398987
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=438
This commit is contained in:
Andreas Schwab 2016-05-30 15:13:35 +00:00 committed by Git OBS Bridge
parent 44414488d6
commit f2191fea4d
7 changed files with 68 additions and 0 deletions
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41
clntudp-call-alloca.patch Normal file
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@ -0,0 +1,41 @@
2016-05-23 Florian Weimer <fweimer@redhat.com>
CVE-2016-4429
[BZ #20112]
* sunrpc/clnt_udp.c (clntudp_call): Use malloc/free for the error
payload.
Index: glibc-2.23/sunrpc/clnt_udp.c
===================================================================
--- glibc-2.23.orig/sunrpc/clnt_udp.c
+++ glibc-2.23/sunrpc/clnt_udp.c
@@ -391,9 +391,15 @@ send_again:
struct sock_extended_err *e;
struct sockaddr_in err_addr;
struct iovec iov;
- char *cbuf = (char *) alloca (outlen + 256);
+ char *cbuf = malloc (outlen + 256);
int ret;
+ if (cbuf == NULL)
+ {
+ cu->cu_error.re_errno = errno;
+ return (cu->cu_error.re_status = RPC_CANTRECV);
+ }
+
iov.iov_base = cbuf + 256;
iov.iov_len = outlen;
msg.msg_name = (void *) &err_addr;
@@ -418,10 +424,12 @@ send_again:
cmsg = CMSG_NXTHDR (&msg, cmsg))
if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_RECVERR)
{
+ free (cbuf);
e = (struct sock_extended_err *) CMSG_DATA(cmsg);
cu->cu_error.re_errno = e->ee_errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
+ free (cbuf);
}
#endif
do

6
glibc-testsuite.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon May 30 08:23:03 UTC 2016 - schwab@suse.de
- clntudp-call-alloca.patch: do not use alloca in clntudp_call
(CVE-2016-4429, bsc#980854, BZ #20112)
------------------------------------------------------------------- -------------------------------------------------------------------
Wed May 11 09:33:47 UTC 2016 - schwab@suse.de Wed May 11 09:33:47 UTC 2016 - schwab@suse.de

3
glibc-testsuite.spec
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@ -306,6 +306,8 @@ Patch1052: 0053-Remove-trailing-newline-from-date_fmt-in-Serbian-loc.patch
Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch
Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch
Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch
# PATCH-FIX-UPSTREAM sunrpc: Do not use alloca in clntudp_call (CVE-2016-4429, BZ #20112)
Patch1056: clntudp-call-alloca.patch
### ###
# Patches awaiting upstream approval # Patches awaiting upstream approval
@ -584,6 +586,7 @@ rm nscd/s-stamp
%patch1053 -p1 %patch1053 -p1
%patch1054 -p1 %patch1054 -p1
%patch1055 -p1 %patch1055 -p1
%patch1056 -p1
%patch2000 -p1 %patch2000 -p1
%patch2001 -p1 %patch2001 -p1

6
glibc-utils.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon May 30 08:23:03 UTC 2016 - schwab@suse.de
- clntudp-call-alloca.patch: do not use alloca in clntudp_call
(CVE-2016-4429, bsc#980854, BZ #20112)
------------------------------------------------------------------- -------------------------------------------------------------------
Wed May 11 09:33:47 UTC 2016 - schwab@suse.de Wed May 11 09:33:47 UTC 2016 - schwab@suse.de

3
glibc-utils.spec
View File

@ -305,6 +305,8 @@ Patch1052: 0053-Remove-trailing-newline-from-date_fmt-in-Serbian-loc.patch
Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch
Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch
Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch
# PATCH-FIX-UPSTREAM sunrpc: Do not use alloca in clntudp_call (CVE-2016-4429, BZ #20112)
Patch1056: clntudp-call-alloca.patch
### ###
# Patches awaiting upstream approval # Patches awaiting upstream approval
@ -584,6 +586,7 @@ rm nscd/s-stamp
%patch1053 -p1 %patch1053 -p1
%patch1054 -p1 %patch1054 -p1
%patch1055 -p1 %patch1055 -p1
%patch1056 -p1
%patch2000 -p1 %patch2000 -p1
%patch2001 -p1 %patch2001 -p1

6
glibc.changes
View File

@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon May 30 08:23:03 UTC 2016 - schwab@suse.de
- clntudp-call-alloca.patch: do not use alloca in clntudp_call
(CVE-2016-4429, bsc#980854, BZ #20112)
------------------------------------------------------------------- -------------------------------------------------------------------
Wed May 11 09:33:47 UTC 2016 - schwab@suse.de Wed May 11 09:33:47 UTC 2016 - schwab@suse.de

3
glibc.spec
View File

@ -306,6 +306,8 @@ Patch1052: 0053-Remove-trailing-newline-from-date_fmt-in-Serbian-loc.patch
Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch Patch1053: 0054-Revert-Report-dlsym-dlvsym-lookup-errors-using-dlerr.patch
Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch Patch1054: 0055-CVE-2016-3706-getaddrinfo-stack-overflow-in-hostent-.patch
Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch Patch1055: 0056-Fix-strfmon_l-Use-specified-locale-for-number-format.patch
# PATCH-FIX-UPSTREAM sunrpc: Do not use alloca in clntudp_call (CVE-2016-4429, BZ #20112)
Patch1056: clntudp-call-alloca.patch
### ###
# Patches awaiting upstream approval # Patches awaiting upstream approval
@ -584,6 +586,7 @@ rm nscd/s-stamp
%patch1053 -p1 %patch1053 -p1
%patch1054 -p1 %patch1054 -p1
%patch1055 -p1 %patch1055 -p1
%patch1056 -p1
%patch2000 -p1 %patch2000 -p1
%patch2001 -p1 %patch2001 -p1