Security update for putty (moderate)

An update that fixes 5 vulnerabilities is now available.

Description:

This update for putty fixes the following issues:

Update to new upstream release 0.71 [boo#1129633]

• CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key
  exchange, which can occur before host key verification potential
  recycling of random numbers used in cryptography.
• CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind
  of server-to-client forwarding.
• CVE-2019-9897: Fixed multiple denial-of-service attacks that can be
  triggered by writing to the terminal.
• CVE-2019-9898: Fixed potential recycling of random numbers used in
  cryptography
• CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file
  in the same directory as the executable
• Major rewrite of the crypto code to remove cache and timing side
  channels.

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 15.0:

  zypper in -t patch openSUSE-2019-1113=1