usn-6990-1
Vulnerability from osv_ubuntu
Published
2024-09-04 18:37
Modified
2026-06-29 10:53
Summary
znc vulnerability
Details
Johannes Kuhn (DasBrain) discovered that znc incorrectly handled user input under certain operations. An attacker could possibly use this issue to execute arbitrary code on a user's system if the user was tricked into joining a malicious server.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.2-3ubuntu0.1+esm3"
},
{
"binary_name": "znc-perl",
"binary_version": "1.2-3ubuntu0.1+esm3"
},
{
"binary_name": "znc-python",
"binary_version": "1.2-3ubuntu0.1+esm3"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.2-3ubuntu0.1+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.2-3ubuntu0.1+esm3?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2-3ubuntu0.1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0-5",
"1.0-5build1",
"1.2-1",
"1.2-2",
"1.2-3",
"1.2-3build1",
"1.2-3ubuntu0.1",
"1.2-3ubuntu0.1+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.6.3-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-perl",
"binary_version": "1.6.3-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-python",
"binary_version": "1.6.3-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.6.3-1ubuntu0.2+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.6.3-1ubuntu0.2+esm2?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.3-1ubuntu0.2+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.1-1",
"1.6.1-1build1",
"1.6.1-2",
"1.6.2-1",
"1.6.2-2",
"1.6.2-2build1",
"1.6.3-1",
"1.6.3-1ubuntu0.1",
"1.6.3-1ubuntu0.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.6.6-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-perl",
"binary_version": "1.6.6-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-python",
"binary_version": "1.6.6-1ubuntu0.2+esm2"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.6.6-1ubuntu0.2+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.6.6-1ubuntu0.2+esm2?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.6-1ubuntu0.2+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.5-2build2",
"1.6.5-2build3",
"1.6.5-2build4",
"1.6.5-2build5",
"1.6.6-1",
"1.6.6-1ubuntu0.1",
"1.6.6-1ubuntu0.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.7.5-4ubuntu0.1~esm2"
},
{
"binary_name": "znc-backlog",
"binary_version": "0.20180824+1.7.5-4ubuntu0.1~esm2"
},
{
"binary_name": "znc-perl",
"binary_version": "1.7.5-4ubuntu0.1~esm2"
},
{
"binary_name": "znc-push",
"binary_version": "1.0.0+git20190521.78d0385+1.7.5-4ubuntu0.1~esm2"
},
{
"binary_name": "znc-python",
"binary_version": "1.7.5-4ubuntu0.1~esm2"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.7.5-4ubuntu0.1~esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.7.5-4ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.5-4ubuntu0.1~esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.7.4-7",
"1.7.4-7build1",
"1.7.5-1",
"1.7.5-2",
"1.7.5-2build1",
"1.7.5-2build2",
"1.7.5-2build3",
"1.7.5-3",
"1.7.5-3build1",
"1.7.5-4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.8.2-2ubuntu0.1"
},
{
"binary_name": "znc-backlog",
"binary_version": "0.20180824+1.8.2-2ubuntu0.1"
},
{
"binary_name": "znc-perl",
"binary_version": "1.8.2-2ubuntu0.1"
},
{
"binary_name": "znc-push",
"binary_version": "1.0.0+git20190521.78d0385+1.8.2-2ubuntu0.1"
},
{
"binary_name": "znc-python",
"binary_version": "1.8.2-2ubuntu0.1"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.8.2-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.8.2-2ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.2-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.8.2-2build1",
"1.8.2-2build2",
"1.8.2-2build3",
"1.8.2-2build5"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-39844",
"severity": [
{
"score": "CVSS:3.1/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:Pro:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "znc",
"binary_version": "1.9.0-2ubuntu0.1~esm2"
},
{
"binary_name": "znc-backlog",
"binary_version": "0.20180824+1.9.0-2ubuntu0.1~esm2"
},
{
"binary_name": "znc-perl",
"binary_version": "1.9.0-2ubuntu0.1~esm2"
},
{
"binary_name": "znc-push",
"binary_version": "1.0.0+git20190521.78d0385+1.9.0-2ubuntu0.1~esm2"
},
{
"binary_name": "znc-python",
"binary_version": "1.9.0-2ubuntu0.1~esm2"
},
{
"binary_name": "znc-tcl",
"binary_version": "1.9.0-2ubuntu0.1~esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"name": "znc",
"purl": "pkg:deb/ubuntu/znc@1.9.0-2ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.9.0-2ubuntu0.1~esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.8.2-3.1",
"1.8.2-4",
"1.8.2-4build1",
"1.8.2-4build3",
"1.9.0-2build2",
"1.9.0-2build3"
]
}
],
"aliases": [],
"details": "Johannes Kuhn (DasBrain) discovered that znc incorrectly handled\nuser input under certain operations. An attacker could possibly\nuse this issue to execute arbitrary code on a user\u0027s system if\nthe user was tricked into joining a malicious server.\n",
"id": "USN-6990-1",
"modified": "2026-06-29T10:53:16Z",
"published": "2024-09-04T18:37:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6990-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-39844"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "znc vulnerability",
"upstream": [
"UBUNTU-CVE-2024-39844"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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