MGASA-2021-0118 - Updated openssh packages fix a security vulnerability

Publication date: 12 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0118.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-14145

The client side in OpenSSH 5.7 through 8.3 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-2020-14145).

References:
- https://bugs.mageia.org/show_bug.cgi?id=27706
- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OTSUNUWKKFI2BZV3IR5RLHAQFXINNKM7/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14145

SRPMS:
- 7/core/openssh-8.0p1-1.1.mga7

Mageia 2021-0118: openssh security update

The client side in OpenSSH 5.7 through 8.3 has an Observable Discrepancy leading to an information leak in the algorithm negotiation

Summary

The client side in OpenSSH 5.7 through 8.3 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-2020-14145).

References

- https://bugs.mageia.org/show_bug.cgi?id=27706

- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OTSUNUWKKFI2BZV3IR5RLHAQFXINNKM7/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14145

Resolution

MGASA-2021-0118 - Updated openssh packages fix a security vulnerability

SRPMS

- 7/core/openssh-8.0p1-1.1.mga7

Severity
Publication date: 12 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0118.html
Type: security
CVE: CVE-2020-14145

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