MGASA-2020-0358 - Updated putty package fixes security vulnerability

Publication date: 02 Sep 2020
URL: https://advisories.mageia.org/MGASA-2020-0358.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-14002

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) (CVE-2020-14002).

References:
- https://bugs.mageia.org/show_bug.cgi?id=26875
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/26TACCSQYYCPWAJYNAUIXJGZ5RGORJZV/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14002

SRPMS:
- 7/core/putty-0.74-1.mga7

Mageia 2020-0358: putty security update

PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation

Summary

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) (CVE-2020-14002).

References

- https://bugs.mageia.org/show_bug.cgi?id=26875

- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/26TACCSQYYCPWAJYNAUIXJGZ5RGORJZV/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14002

Resolution

MGASA-2020-0358 - Updated putty package fixes security vulnerability

SRPMS

- 7/core/putty-0.74-1.mga7

Severity
Publication date: 02 Sep 2020
URL: https://advisories.mageia.org/MGASA-2020-0358.html
Type: security
CVE: CVE-2020-14002

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