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CVE-2017-6542

nvd nist
Published: Mar 27, 2017Modified: May 13, 2026

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9.8
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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 (3)

Putty
1 product
Putty
Opensuse
1 product
Leap
Opensuse Project
1 product
Leap
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Putty
Up to 0.67
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Leap
Version 42.2
Leap
Version 42.1

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (16)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.