UBUNTU-CVE-2020-14002

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2020-14002
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14002.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-14002
Related
Published
2020-06-29T18:15:00Z
Modified
2020-06-29T18:15:00Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).

References

Affected packages

Ubuntu:Pro:16.04:LTS / putty

Package

Name
putty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.65-2
0.66-1
0.66-2
0.66-3
0.66-4
0.67-1
0.67-2
0.67-3build0.16.04.1
0.67-3+deb9u1build0.16.04.1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / putty

Package

Name
putty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.70-1
0.70-2
0.70-3
0.70-4

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / putty

Package

Name
putty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.72-1
0.73-1
0.73-2

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}