(e)glibc: add security patches for CVE-2014-9402

Fixes CVE-2014-9402 - denial of service in getnetbyname function.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gustavo Zacarias 2015-01-08 17:45:39 -03:00 committed by Thomas Petazzoni
parent 5169d2b87c
commit 785843017c
4 changed files with 88 additions and 0 deletions

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@ -0,0 +1,20 @@
Fix CVE-2014-9402 - denial of service in getnetbyname function.
Backport from https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3417af6e354f1942c68a271ae51e892b2814d
See https://bugzilla.redhat.com/show_bug.cgi?id=1175369
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff -Nura eglibc-2.19.orig/libc/resolv/nss_dns/dns-network.c eglibc-2.19/libc/resolv/nss_dns/dns-network.c
--- eglibc-2.19.orig/libc/resolv/nss_dns/dns-network.c 2015-01-08 16:12:35.024977879 -0300
+++ eglibc-2.19/libc/resolv/nss_dns/dns-network.c 2015-01-08 16:12:42.543992357 -0300
@@ -398,8 +398,8 @@
case BYNAME:
{
- char **ap = result->n_aliases++;
- while (*ap != NULL)
+ char **ap;
+ for (ap = result->n_aliases; *ap != NULL; ++ap)
{
/* Check each alias name for being of the forms:
4.3.2.1.in-addr.arpa = net 1.2.3.4

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Fix CVE-2014-9402 - denial of service in getnetbyname function.
Backport from https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3417af6e354f1942c68a271ae51e892b2814d
See https://bugzilla.redhat.com/show_bug.cgi?id=1175369
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff -Nura eglibc-2.19.orig/libc/resolv/nss_dns/dns-network.c eglibc-2.19/libc/resolv/nss_dns/dns-network.c
--- eglibc-2.19.orig/libc/resolv/nss_dns/dns-network.c 2015-01-08 16:12:35.024977879 -0300
+++ eglibc-2.19/libc/resolv/nss_dns/dns-network.c 2015-01-08 16:12:42.543992357 -0300
@@ -398,8 +398,8 @@
case BYNAME:
{
- char **ap = result->n_aliases++;
- while (*ap != NULL)
+ char **ap;
+ for (ap = result->n_aliases; *ap != NULL; ++ap)
{
/* Check each alias name for being of the forms:
4.3.2.1.in-addr.arpa = net 1.2.3.4

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@ -0,0 +1,24 @@
Fix CVE-2014-9402 - denial of service in getnetbyname function.
Backport from https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3417af6e354f1942c68a271ae51e892b2814d
See https://bugzilla.redhat.com/show_bug.cgi?id=1175369
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
index 0a77c8b..08cf0a6 100644
--- a/resolv/nss_dns/dns-network.c
+++ b/resolv/nss_dns/dns-network.c
@@ -398,8 +398,8 @@ getanswer_r (const querybuf *answer, int anslen, struct netent *result,
case BYNAME:
{
- char **ap = result->n_aliases++;
- while (*ap != NULL)
+ char **ap;
+ for (ap = result->n_aliases; *ap != NULL; ++ap)
{
/* Check each alias name for being of the forms:
4.3.2.1.in-addr.arpa = net 1.2.3.4
--
1.7.1

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@ -0,0 +1,24 @@
Fix CVE-2014-9402 - denial of service in getnetbyname function.
Backport from https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3417af6e354f1942c68a271ae51e892b2814d
See https://bugzilla.redhat.com/show_bug.cgi?id=1175369
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
index 0a77c8b..08cf0a6 100644
--- a/resolv/nss_dns/dns-network.c
+++ b/resolv/nss_dns/dns-network.c
@@ -398,8 +398,8 @@ getanswer_r (const querybuf *answer, int anslen, struct netent *result,
case BYNAME:
{
- char **ap = result->n_aliases++;
- while (*ap != NULL)
+ char **ap;
+ for (ap = result->n_aliases; *ap != NULL; ++ap)
{
/* Check each alias name for being of the forms:
4.3.2.1.in-addr.arpa = net 1.2.3.4
--
1.7.1