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[security-announce] openSUSE-SU-2019:1113-1: moderate: Security update for putty
openSUSE Security Update: Security update for putty

Announcement ID: openSUSE-SU-2019:1113-1
Rating: moderate
References: #1129633
Cross-References: CVE-2019-9894 CVE-2019-9895 CVE-2019-9896
CVE-2019-9897 CVE-2019-9898
Affected Products:
openSUSE Leap 15.0

An update that fixes 5 vulnerabilities is now available.


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
* 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

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

Package List:

- openSUSE Leap 15.0 (x86_64):



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