USN-6166-1

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Source
https://ubuntu.com/security/notices/USN-6166-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6166-1
Upstream
Related
Published
2023-06-14T13:40:25.031339Z
Modified
2025-10-13T04:36:27Z
Summary
libcap2 vulnerabilities
Details

David Gstir discovered that libcap2 incorrectly handled certain return codes. An attacker could possibly use this issue to cause libcap2 to consume memory, leading to a denial of service. (CVE-2023-2602)

Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-2603)

References

Affected packages

Ubuntu:20.04:LTS / libcap2

Package

Name
libcap2
Purl
pkg:deb/ubuntu/libcap2@1:2.32-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.32-1ubuntu0.1

Affected versions

1:2.*

1:2.25-2
1:2.27-1
1:2.32-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libcap-dev",
            "binary_version": "1:2.32-1ubuntu0.1"
        },
        {
            "binary_name": "libcap2",
            "binary_version": "1:2.32-1ubuntu0.1"
        },
        {
            "binary_name": "libcap2-bin",
            "binary_version": "1:2.32-1ubuntu0.1"
        },
        {
            "binary_name": "libpam-cap",
            "binary_version": "1:2.32-1ubuntu0.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-2602",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2023-2603",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:22.04:LTS / libcap2

Package

Name
libcap2
Purl
pkg:deb/ubuntu/libcap2@1:2.44-1ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.44-1ubuntu0.22.04.1

Affected versions

1:2.*

1:2.44-1build1
1:2.44-1build2
1:2.44-1build3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libcap-dev",
            "binary_version": "1:2.44-1ubuntu0.22.04.1"
        },
        {
            "binary_name": "libcap2",
            "binary_version": "1:2.44-1ubuntu0.22.04.1"
        },
        {
            "binary_name": "libcap2-bin",
            "binary_version": "1:2.44-1ubuntu0.22.04.1"
        },
        {
            "binary_name": "libpam-cap",
            "binary_version": "1:2.44-1ubuntu0.22.04.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-2602",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2023-2603",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}