USN-4531-1

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Source
https://ubuntu.com/security/notices/USN-4531-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4531-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4531-1
Upstream
Related
Published
2020-09-22T13:57:23Z
Modified
2026-02-10T04:41:56Z
Summary
busybox vulnerability
Details

It was discovered that the BusyBox wget applet incorrectly validated SSL certificates. A remote attacker could possibly use this issue to intercept secure communications.

References

Affected packages

Ubuntu:18.04:LTS / busybox

Package

Name
busybox
Purl
pkg:deb/ubuntu/busybox@1:1.27.2-2ubuntu3.3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:1.27.2-2ubuntu3.3

Affected versions

1:1.*
1:1.22.0-19ubuntu2
1:1.27.2-1ubuntu3
1:1.27.2-1ubuntu4
1:1.27.2-2ubuntu2
1:1.27.2-2ubuntu3
1:1.27.2-2ubuntu3.1
1:1.27.2-2ubuntu3.2

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "busybox",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        },
        {
            "binary_name":  "busybox-initramfs",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        },
        {
            "binary_name":  "busybox-static",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        },
        {
            "binary_name":  "busybox-syslogd",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        },
        {
            "binary_name":  "udhcpc",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        },
        {
            "binary_name":  "udhcpd",
            "binary_version":  "1:1.27.2-2ubuntu3.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2018-1000500",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4531-1.json"

Ubuntu:20.04:LTS / busybox

Package

Name
busybox
Purl
pkg:deb/ubuntu/busybox@1:1.30.1-4ubuntu6.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:1.30.1-4ubuntu6.2

Affected versions

1:1.*
1:1.30.1-4ubuntu4
1:1.30.1-4ubuntu5
1:1.30.1-4ubuntu6
1:1.30.1-4ubuntu6.1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "busybox",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        },
        {
            "binary_name":  "busybox-initramfs",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        },
        {
            "binary_name":  "busybox-static",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        },
        {
            "binary_name":  "busybox-syslogd",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        },
        {
            "binary_name":  "udhcpc",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        },
        {
            "binary_name":  "udhcpd",
            "binary_version":  "1:1.30.1-4ubuntu6.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2018-1000500",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4531-1.json"