diff options
Diffstat (limited to 'net-dns/djbdns/files/CVE2012-1191_0001-ghost-domain-attack.patch')
| -rw-r--r-- | net-dns/djbdns/files/CVE2012-1191_0001-ghost-domain-attack.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/net-dns/djbdns/files/CVE2012-1191_0001-ghost-domain-attack.patch b/net-dns/djbdns/files/CVE2012-1191_0001-ghost-domain-attack.patch new file mode 100644 index 000000000000..8d9b194411f3 --- /dev/null +++ b/net-dns/djbdns/files/CVE2012-1191_0001-ghost-domain-attack.patch @@ -0,0 +1,22 @@ +Fix ghost domain attack vulnerability (CVE-2012-1191) + +Author: Peter Conrad <conrad@tivano.de> +Origin: http://marc.info/?l=djbdns&m=134269902121506&w=2 + +Gentoo-Bug: https://bugs.gentoo.org/404959 + +--- a/query.c ++++ b/query.c +@@ -792,6 +792,12 @@ static int doit(struct query *z,int state) + } + + if (!dns_domain_suffix(t1,control)) { i = j; continue; } ++ ++ if (!flagforwardonly && byte_equal(type,2,DNS_T_NS) && dns_domain_equal(t1,control)) { ++ char dummy[256]; ++ if (!roots(dummy,control)) { i = j; continue; } ++ } ++ + if (!roots_same(t1,control)) { i = j; continue; } + + if (byte_equal(type,2,DNS_T_ANY)) |