ubuntu-cve-2023-2603
Vulnerability from osv_ubuntu
Published
2023-05-15 00:00
Modified
2026-04-22 07:45
Summary
Details
A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.
Severity
7.8 (High)
7.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libcap2",
"binary_version": "1:2.24-0ubuntu2+esm1"
},
{
"binary_name": "libcap2-bin",
"binary_version": "1:2.24-0ubuntu2+esm1"
},
{
"binary_name": "libpam-cap",
"binary_version": "1:2.24-0ubuntu2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libcap2",
"purl": "pkg:deb/ubuntu/libcap2@1:2.24-0ubuntu2+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.24-0ubuntu2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.22-1.2ubuntu2",
"1:2.24-0ubuntu1",
"1:2.24-0ubuntu2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libcap2",
"binary_version": "1:2.24-12ubuntu0.1~esm1"
},
{
"binary_name": "libcap2-bin",
"binary_version": "1:2.24-12ubuntu0.1~esm1"
},
{
"binary_name": "libpam-cap",
"binary_version": "1:2.24-12ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "libcap2",
"purl": "pkg:deb/ubuntu/libcap2@1:2.24-12ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.24-12ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.24-9",
"1:2.24-12"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libcap2",
"binary_version": "1:2.25-1.2ubuntu0.1~esm1"
},
{
"binary_name": "libcap2-bin",
"binary_version": "1:2.25-1.2ubuntu0.1~esm1"
},
{
"binary_name": "libpam-cap",
"binary_version": "1:2.25-1.2ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libcap2",
"purl": "pkg:deb/ubuntu/libcap2@1:2.25-1.2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.25-1.2ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.25-1.1",
"1:2.25-1.2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"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",
"binary_version": "1:2.32-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libcap2",
"purl": "pkg:deb/ubuntu/libcap2@1:2.32-1ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.32-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.25-2",
"1:2.27-1",
"1:2.32-1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcap2",
"binary_version": "1:2.44-1ubuntu0.22.04.1"
},
{
"binary_name": "libcap2-bin",
"binary_version": "1:2.44-1ubuntu0.22.04.1"
},
{
"binary_name": "libpam-cap",
"binary_version": "1:2.44-1ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libcap2",
"purl": "pkg:deb/ubuntu/libcap2@1:2.44-1ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.44-1ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.44-1build1",
"1:2.44-1build2",
"1:2.44-1build3"
]
}
],
"aliases": [],
"details": "A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.",
"id": "UBUNTU-CVE-2023-2603",
"modified": "2026-04-22T07:45:00Z",
"published": "2023-05-15T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-2603"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2023/05/15/4"
},
{
"type": "REPORT",
"url": "https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf"
},
{
"type": "REPORT",
"url": "https://sites.google.com/site/fullycapable/release-notes-for-libcap#h.iuvg7sbjg8pe"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6166-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6166-2"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-2603"
}
],
"related": [
"USN-6166-1",
"USN-6166-2"
],
"schema_version": "1.7.0",
"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"
}
],
"upstream": [
"CVE-2023-2603"
]
}
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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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