diff options
Diffstat (limited to 'meta/recipes-support/gnupg/gnupg-1.4.7/GnuPG1-CVE-2012-6085.patch')
-rw-r--r-- | meta/recipes-support/gnupg/gnupg-1.4.7/GnuPG1-CVE-2012-6085.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/recipes-support/gnupg/gnupg-1.4.7/GnuPG1-CVE-2012-6085.patch b/meta/recipes-support/gnupg/gnupg-1.4.7/GnuPG1-CVE-2012-6085.patch new file mode 100644 index 0000000000..8b5d9a1693 --- /dev/null +++ b/meta/recipes-support/gnupg/gnupg-1.4.7/GnuPG1-CVE-2012-6085.patch @@ -0,0 +1,63 @@ +commit f0b33b6fb8e0586e9584a7a409dcc31263776a67 +Author: Werner Koch <wk@gnupg.org> +Date: Thu Dec 20 09:43:41 2012 +0100 + + gpg: Import only packets which are allowed in a keyblock. + + * g10/import.c (valid_keyblock_packet): New. + (read_block): Store only valid packets. + -- + + A corrupted key, which for example included a mangled public key + encrypted packet, used to corrupt the keyring. This change skips all + packets which are not allowed in a keyblock. + + GnuPG-bug-id: 1455 + + (cherry-picked from commit f795a0d59e197455f8723c300eebf59e09853efa) + +Upstream-Status: Backport + +Signed-off-by: Saul Wold <sgw@linux.intel.com> + +diff --git a/g10/import.c b/g10/import.c +index bfe02eb..a57b32e 100644 +--- a/g10/import.c ++++ b/g10/import.c +@@ -384,6 +384,27 @@ import_print_stats (void *hd) + } + + ++/* Return true if PKTTYPE is valid in a keyblock. */ ++static int ++valid_keyblock_packet (int pkttype) ++{ ++ switch (pkttype) ++ { ++ case PKT_PUBLIC_KEY: ++ case PKT_PUBLIC_SUBKEY: ++ case PKT_SECRET_KEY: ++ case PKT_SECRET_SUBKEY: ++ case PKT_SIGNATURE: ++ case PKT_USER_ID: ++ case PKT_ATTRIBUTE: ++ case PKT_RING_TRUST: ++ return 1; ++ default: ++ return 0; ++ } ++} ++ ++ + /**************** + * Read the next keyblock from stream A. + * PENDING_PKT should be initialzed to NULL +@@ -461,7 +482,7 @@ read_block( IOBUF a, PACKET **pending_pkt, KBNODE *ret_root ) + } + in_cert = 1; + default: +- if( in_cert ) { ++ if (in_cert && valid_keyblock_packet (pkt->pkttype)) { + if( !root ) + root = new_kbnode( pkt ); + else |