UBUNTU-CVE-2024-6387

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Source
https://ubuntu.com/security/CVE-2024-6387
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-6387.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2024-6387
Upstream
Downstream
Related
Published
2024-07-01T00:00:00Z
Modified
2025-09-08T16:58:55Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

References

Affected packages

Ubuntu:22.04:LTS / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.9p1-3ubuntu0.10

Affected versions

1:8.*

1:8.4p1-6ubuntu2
1:8.7p1-2
1:8.7p1-2build1
1:8.7p1-4
1:8.8p1-1
1:8.9p1-3
1:8.9p1-3ubuntu0.1
1:8.9p1-3ubuntu0.3
1:8.9p1-3ubuntu0.4
1:8.9p1-3ubuntu0.5
1:8.9p1-3ubuntu0.6
1:8.9p1-3ubuntu0.7

Ecosystem specific 

{
    "priority_reason": "Potential remote code execution",
    "binaries": [
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "ssh-askpass-gnome"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:9.6p1-3ubuntu13.3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.6p1-3ubuntu13.3

Affected versions

1:9.*

1:9.3p1-1ubuntu3
1:9.4p1-1ubuntu1
1:9.6p1-3ubuntu1
1:9.6p1-3ubuntu2
1:9.6p1-3ubuntu11
1:9.6p1-3ubuntu12
1:9.6p1-3ubuntu13

Ecosystem specific 

{
    "priority_reason": "Potential remote code execution",
    "binaries": [
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.3",
            "binary_name": "ssh-askpass-gnome"
        }
    ],
    "availability": "No subscription required"
}