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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
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).
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:* versions from (including) 0.68 up to (including) 0.73
Changed
Reference Type
https://lists.tartarus.org/pipermail/putty-announce/ No Types Assigned
https://lists.tartarus.org/pipermail/putty-announce/ Third Party Advisory
Changed
Reference Type
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html No Types Assigned
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html Release Notes, Third Party Advisory
Changed
Reference Type
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ No Types Assigned
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ Third Party Advisory
Added
CVSS V2 Metadata
Victim must voluntarily interact with attack mechanism
Quick Info
CVE Dictionary Entry: CVE-2020-14002 NVD
Published Date: 06/29/2020 NVD
Last Modified: 11/21/2024
Source: MITRE