Vulnerability CVE-2020-14002


Published: 2020-06-29

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).

 References:
https://lists.tartarus.org/pipermail/putty-announce/
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/

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