UBUNTU-CVE-2021-28041

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Source

https://ubuntu.com/security/notices/UBUNTU-CVE-2021-28041

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28041.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-28041

Related

Published

2021-03-05T21:15:00Z

Modified

2021-03-05T21:15:00Z

Severity

7.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

References

Affected packages

Ubuntu:20.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.2?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:8.2p1-4ubuntu0.2

Affected versions

1:8.*

1:8.0p1-6build1

1:8.1p1-1

1:8.1p1-5

1:8.2p1-4

1:8.2p1-4ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "openssh-client": "1:8.2p1-4ubuntu0.2",
            "ssh-askpass-gnome-dbgsym": "1:8.2p1-4ubuntu0.2",
            "openssh-tests": "1:8.2p1-4ubuntu0.2",
            "openssh-sftp-server-dbgsym": "1:8.2p1-4ubuntu0.2",
            "ssh-askpass-gnome": "1:8.2p1-4ubuntu0.2",
            "openssh-sftp-server": "1:8.2p1-4ubuntu0.2",
            "openssh-tests-dbgsym": "1:8.2p1-4ubuntu0.2",
            "openssh-server-udeb": "1:8.2p1-4ubuntu0.2",
            "openssh-server": "1:8.2p1-4ubuntu0.2",
            "openssh-server-dbgsym": "1:8.2p1-4ubuntu0.2",
            "openssh-client-udeb": "1:8.2p1-4ubuntu0.2",
            "ssh": "1:8.2p1-4ubuntu0.2",
            "openssh-client-dbgsym": "1:8.2p1-4ubuntu0.2"
        }
    ]
}