CVE-2015-2157

Publication date 27 March 2015

Last updated 24 July 2024

Description

The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
putty	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	15.04 vivid	Not affected
	14.10 utopic	Fixed 0.63-8ubuntu0.1
	14.04 LTS trusty	Fixed 0.63-4ubuntu0.1
	12.04 LTS precise	Ignored end of life
	10.04 LTS lucid	Ignored end of life

How can I get the fixes?
What do statuses mean?

References

MITRE
NVD
Launchpad
Debian

Other references

http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html
https://www.cve.org/CVERecord?id=CVE-2015-2157