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CVE-2017-6542 The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect....

CriticalCVSS 9.8 EPSS 21.8%
Published
Updated
Exploit status
No public exploit known

Description

The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

Affected products

ProductAffected versionsFixed in
debian/putty(Debian:12) < 0.67-3 0.67-3
debian/putty(Debian:13) < 0.67-3 0.67-3
debian/putty(Debian:14) < 0.67-3 0.67-3
putty <= 0.67 No fix listed
openSUSE leap = 42.2 No fix listed
opensuse project leap = 42.1 No fix listed
alpine/putty(Alpine:v3.2) < 0.68-r0 0.68-r0
alpine/putty(Alpine:v3.3) < 0.68-r0 0.68-r0
alpine/putty(Alpine:v3.4) < 0.68-r0 0.68-r0
alpine/putty(Alpine:v3.5) < 0.68-r0 0.68-r0

References