USN-5102-1

It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue to write arbitrary files to the target’s filesystem. (CVE-2019-3902)

It was discovered that Mercurial incorrectly handled certain manifest files. An attacker could use this issue to cause a denial of service and possibly execute arbitrary code. (CVE-2018-17983)

References

Affected packages

Ubuntu:18.04:LTS / mercurial

Package

Name: mercurial
Purl: pkg:deb/ubuntu/mercurial@4.5.3-1ubuntu2.2?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.5.3-1ubuntu2.2

Affected versions

4.*

4.3.1-2

4.5-1ubuntu1

4.5.2-0ubuntu2

4.5.3-1ubuntu2

4.5.3-1ubuntu2.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.5.3-1ubuntu2.2",
            "binary_name": "mercurial"
        },
        {
            "binary_version": "4.5.3-1ubuntu2.2",
            "binary_name": "mercurial-common"
        }
    ]
}

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2018-17983"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2019-3902"
            }
        ]
    }
}