This is the mail archive of the
glibc-cvs@sourceware.org
mailing list for the glibc project.
GNU C Library master sources branch gentoo/2.22 updated. glibc-2.22-50-g1199943
- From: vapier at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 4 Apr 2016 19:26:33 -0000
- Subject: GNU C Library master sources branch gentoo/2.22 updated. glibc-2.22-50-g1199943
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, gentoo/2.22 has been updated
via 1199943f072f8a0c47d9283bc9d8c1740a38a94e (commit)
from b286c83dcbd06314859bf86319782611c81e283d (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=1199943f072f8a0c47d9283bc9d8c1740a38a94e
commit 1199943f072f8a0c47d9283bc9d8c1740a38a94e
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Mar 29 12:57:56 2016 +0200
CVE-2016-3075: Stack overflow in _nss_dns_getnetbyname_r [BZ #19879]
The defensive copy is not needed because the name may not alias the
output buffer.
(cherry picked from commit 317b199b4aff8cfa27f2302ab404d2bb5032b9a4)
(cherry picked from commit 883dceebc8f11921a9890211a4e202e5be17562f)
diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
index 00f4490..89f8783 100644
--- a/resolv/nss_dns/dns-network.c
+++ b/resolv/nss_dns/dns-network.c
@@ -118,17 +118,14 @@ _nss_dns_getnetbyname_r (const char *name, struct netent *result,
} net_buffer;
querybuf *orig_net_buffer;
int anslen;
- char *qbuf;
enum nss_status status;
if (__res_maybe_init (&_res, 0) == -1)
return NSS_STATUS_UNAVAIL;
- qbuf = strdupa (name);
-
net_buffer.buf = orig_net_buffer = (querybuf *) alloca (1024);
- anslen = __libc_res_nsearch (&_res, qbuf, C_IN, T_PTR, net_buffer.buf->buf,
+ anslen = __libc_res_nsearch (&_res, name, C_IN, T_PTR, net_buffer.buf->buf,
1024, &net_buffer.ptr, NULL, NULL, NULL, NULL);
if (anslen < 0)
{
-----------------------------------------------------------------------
Summary of changes:
resolv/nss_dns/dns-network.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
hooks/post-receive
--
GNU C Library master sources