USN-6166-1

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

{
    "binaries": [
        {
            "binary_version": "1:2.32-1ubuntu0.1",
            "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"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "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-2023-2602"
        },
        {
            "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": "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"
                }
            ],
            "id": "CVE-2023-2603"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS / libcap2