Security update for libssh2_org (moderate)

An update that solves 9 vulnerabilities and has one errata
is now available.

Description:

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 _libssh2_packet_require and
  _libssh2_packet_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:

• Libbssh2 will stop using keys unsupported types in the known_hosts file
  (bsc#1091236).

This update was imported from the SUSE:SLE-12:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Leap 42.3:

  zypper in -t patch openSUSE-2019-1075=1