ubuntu-cve-2023-29491
Vulnerability from osv_ubuntu
Published
2023-04-14 01:15
Modified
2026-04-22 07:45
Summary
Details
ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.
Severity
7.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "lib32ncurses5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "lib32ncursesw5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "lib32tinfo5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "lib64ncurses5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "lib64tinfo5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libncurses5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libncursesw5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libtinfo5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libx32ncurses5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libx32ncursesw5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "libx32tinfo5",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-base",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-bin",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-examples",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-term",
"binary_version": "5.9+20140118-1ubuntu1+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "ncurses",
"purl": "pkg:deb/ubuntu/ncurses@5.9+20140118-1ubuntu1+esm3?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9+20140118-1ubuntu1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.9+20130608-1ubuntu1",
"5.9+20131221-1ubuntu1",
"5.9+20140118-1ubuntu1",
"5.9+20140118-1ubuntu1+esm1",
"5.9+20140118-1ubuntu1+esm2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "lib32ncurses5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "lib32ncursesw5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "lib32tinfo5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "lib64ncurses5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "lib64tinfo5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libncurses5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libncursesw5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libtinfo5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libx32ncurses5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libx32ncursesw5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "libx32tinfo5",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-base",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-bin",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-examples",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
},
{
"binary_name": "ncurses-term",
"binary_version": "6.0+20160213-1ubuntu1+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "ncurses",
"purl": "pkg:deb/ubuntu/ncurses@6.0+20160213-1ubuntu1+esm3?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0+20160213-1ubuntu1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.9+20150516-2ubuntu1",
"6.0+20151024-2ubuntu1",
"6.0+20151024-2ubuntu2",
"6.0+20160213-1ubuntu1",
"6.0+20160213-1ubuntu1+esm1",
"6.0+20160213-1ubuntu1+esm2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "lib32ncurses5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "lib32ncursesw5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "lib32tinfo5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "lib64ncurses5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "lib64tinfo5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libncurses5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libncursesw5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libtinfo5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libx32ncurses5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libx32ncursesw5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "libx32tinfo5",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "ncurses-base",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "ncurses-bin",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "ncurses-examples",
"binary_version": "6.1-1ubuntu1.18.04.1"
},
{
"binary_name": "ncurses-term",
"binary_version": "6.1-1ubuntu1.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "ncurses",
"purl": "pkg:deb/ubuntu/ncurses@6.1-1ubuntu1.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.1-1ubuntu1.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.0+20160625-1ubuntu1",
"6.0+20171125-1ubuntu1",
"6.1-1ubuntu1",
"6.1-1ubuntu1.18.04"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "lib32ncurses6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "lib32ncursesw6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "lib32tinfo6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "lib64ncurses6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "lib64ncursesw6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "lib64tinfo6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libncurses5",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libncurses6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libncursesw5",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libncursesw6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libtinfo5",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "libtinfo6",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "ncurses-base",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "ncurses-bin",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "ncurses-examples",
"binary_version": "6.2-0ubuntu2.1"
},
{
"binary_name": "ncurses-term",
"binary_version": "6.2-0ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "ncurses",
"purl": "pkg:deb/ubuntu/ncurses@6.2-0ubuntu2.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.2-0ubuntu2.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.1+20190803-1ubuntu1",
"6.1+20191019-1ubuntu1",
"6.2-0ubuntu2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "lib32ncurses6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "lib32ncursesw6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "lib32tinfo6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "lib64ncurses6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "lib64ncursesw6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "lib64tinfo6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libncurses5",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libncurses6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libncursesw5",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libncursesw6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libtinfo5",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "libtinfo6",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "ncurses-base",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "ncurses-bin",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "ncurses-examples",
"binary_version": "6.3-2ubuntu0.1"
},
{
"binary_name": "ncurses-term",
"binary_version": "6.3-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "ncurses",
"purl": "pkg:deb/ubuntu/ncurses@6.3-2ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.3-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.2+20201114-2build1",
"6.2+20201114-2build2",
"6.3-1",
"6.3-2"
]
}
],
"aliases": [],
"details": "ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.",
"id": "UBUNTU-CVE-2023-29491",
"modified": "2026-04-22T07:45:17Z",
"published": "2023-04-14T01:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-29491"
},
{
"type": "REPORT",
"url": "https://invisible-island.net/ncurses/NEWS.html#index-t20230408"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2023/04/13/4"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2023/04/12/5"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6099-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-29491"
}
],
"related": [
"USN-6099-1"
],
"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": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-29491"
]
}
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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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