USN-3527-1

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Source
https://ubuntu.com/security/notices/USN-3527-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3527-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3527-1
Upstream
Related
Published
2018-01-10T13:30:46.103517Z
Modified
2025-10-13T04:34:34Z
Summary
irssi vulnerabilities
Details

Joseph Bisch discovered that Irssi incorrectly handled incomplete escape codes. If a user were tricked into using malformed commands or opening malformed files, an attacker could use this issue to cause Irssi to crash, resulting in a denial of service. (CVE-2018-5205)

Joseph Bisch discovered that Irssi incorrectly handled settings the channel topic without specifying a sender. A malicious IRC server could use this issue to cause Irssi to crash, resulting in a denial of service. (CVE-2018-5206)

Joseph Bisch discovered that Irssi incorrectly handled incomplete variable arguments. If a user were tricked into using malformed commands or opening malformed files, an attacker could use this issue to cause Irssi to crash, resulting in a denial of service. (CVE-2018-5207)

Joseph Bisch discovered that Irssi incorrectly handled completing certain strings. An attacker could use this issue to cause Irssi to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-5208)

References

Affected packages

Ubuntu:14.04:LTS / irssi

Package

Name
irssi
Purl
pkg:deb/ubuntu/irssi@0.8.15-5ubuntu3.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.15-5ubuntu3.4

Affected versions

0.*

0.8.15-5ubuntu2
0.8.15-5ubuntu3
0.8.15-5ubuntu3.1
0.8.15-5ubuntu3.2
0.8.15-5ubuntu3.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "irssi",
            "binary_version": "0.8.15-5ubuntu3.4"
        },
        {
            "binary_name": "irssi-dev",
            "binary_version": "0.8.15-5ubuntu3.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-5205",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5206",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5207",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5208",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}

Ubuntu:16.04:LTS / irssi

Package

Name
irssi
Purl
pkg:deb/ubuntu/irssi@0.8.19-1ubuntu1.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.19-1ubuntu1.6

Affected versions

0.*

0.8.17-1ubuntu1
0.8.17-1ubuntu2
0.8.18-1ubuntu1
0.8.19-1ubuntu1
0.8.19-1ubuntu1.2
0.8.19-1ubuntu1.3
0.8.19-1ubuntu1.4
0.8.19-1ubuntu1.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "irssi",
            "binary_version": "0.8.19-1ubuntu1.6"
        },
        {
            "binary_name": "irssi-dev",
            "binary_version": "0.8.19-1ubuntu1.6"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-5205",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5206",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5207",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-5208",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}