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Debian Wheezy: DSA-3190-1 Critical: Putty Memory Leak Exponential Issue

debian
Calendar Grey March 15, 2015
Scroller Debian
A critical vulnerability within the Putty SSH client manifests as a memory leakage and inadequate access controls, prompting an immediate call for updates among Debian user base.
Patrick Coleman discovered that the Putty SSH client failed to wipe out unused sensitive memory
Topics%20covered

Topics Covered

security advisory critical debian memory leak ssh client putty exponential issue

Summary

Patrick Coleman discovered that the Putty SSH client failed to wipe out
unused sensitive memory.

In addition Florent Daigniere discovered that exponential values in
Diffie Hellman exchanges were insufficienty restricted.

For the stable distribution (wheezy), this problem has been fixed in
version 0.62-9+deb7u2.

For the upcoming stable distribution (jessie), this problem has been
fixed in version 0.63-10.

For the unstable distribution (sid), this problem has been fixed in
version 0.63-10.

We recommend that you upgrade your putty packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: putty
CVE ID: CVE-2015-2157

Topics%20covered

Topics Covered

security advisory critical debian memory leak ssh client putty exponential issue

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