SUSE-SU-2019:13997-1

This update for libssh2_org fixes the following issues:

Security issues fixed:

• CVE-2019-3861: Fixed Out-of-bounds reads with specially crafted SSH packets (bsc#1128490).
• CVE-2019-3862: Fixed Out-of-bounds memory comparison with specially crafted message channel request packet (bsc#1128492).
• CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481).
• CVE-2019-3863: Fixed an Integer overflow in user authenticate keyboard interactive which could allow out-of-bounds writes with specially crafted keyboard responses (bsc#1128493).
• CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write with specially crafted payload (bsc#1128472).
• CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of libssh2packetrequire and _libssh2packet_requirev (bsc#1128480).
• CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially crafted payload (bsc#1128471).
• CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted SFTP packet (bsc#1128476).
• CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially crafted message channel request SSH packet (bsc#1128474).

Other issue addressed:

• Fixed an issue where libssh2 stops parsing known_hosts (bsc#1091236).