diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/CVE-2016-3075.patch')
| -rw-r--r-- | meta/recipes-core/glibc/glibc/CVE-2016-3075.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/CVE-2016-3075.patch b/meta/recipes-core/glibc/glibc/CVE-2016-3075.patch new file mode 100644 index 0000000000..7b9dc4f5c3 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/CVE-2016-3075.patch @@ -0,0 +1,37 @@ +glibc-2.23: Fix CVE-2016-3075 + +[No upstream tracking] -- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-3075 + +resolv/nss_dns/dns-network.c: Stack overflow in _nss_dns_getnetbyname_r + +The defensive copy is not needed because the name may not alias the +output buffer. + +Upstream-Status: Backport +CVE: CVE-2016-3075 +Signed-off-by: Andrej Valek <andrej.valek@siemens.com> +Signed-off-by: Pascal Bach <pascal.bach@siemens.com> + +diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c +index 2eb2f67..8f301a7 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) + { |