USN-4437-1

Ziming Zhang and VictorV discovered that libslirp incorrectly handled replying to certain ICMP echo requests. A remote attacker could possibly use this issue to cause libslirp to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / libslirp

Package

Name: libslirp
Purl: pkg:deb/ubuntu/libslirp@4.1.0-2ubuntu2.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.1.0-2ubuntu2.1

Affected versions

4.*

4.0.0-1

4.0.0-2

4.1.0-1

4.1.0-2

4.1.0-2ubuntu1

4.1.0-2ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.1.0-2ubuntu2.1",
            "binary_name": "libslirp-dev"
        },
        {
            "binary_version": "4.1.0-2ubuntu2.1",
            "binary_name": "libslirp0"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4437-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-10756"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}