ubuntu-cve-2022-3437
Vulnerability from osv_ubuntu
Published
2022-10-27 00:00
Modified
2026-04-22 07:41
Summary
Details
A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the application, possibly resulting in a denial of service (DoS) attack.
Severity
4.3 (Medium)
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-clients-x",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "heimdal-servers",
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},
{
"binary_name": "heimdal-servers-x",
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},
{
"binary_name": "libasn1-8-heimdal",
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},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libheimbase1-heimdal",
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},
{
"binary_name": "libheimntlm0-heimdal",
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},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libkadm5srv8-heimdal",
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},
{
"binary_name": "libkafs0-heimdal",
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},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libotp0-heimdal",
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},
{
"binary_name": "libroken18-heimdal",
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},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@1.6~git20131207+dfsg-1ubuntu1.2+esm3?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
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{
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}
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"1.6~git20131207+dfsg-1ubuntu1",
"1.6~git20131207+dfsg-1ubuntu1.1",
"1.6~git20131207+dfsg-1ubuntu1.2",
"1.6~git20131207+dfsg-1ubuntu1.2+esm1",
"1.6~git20131207+dfsg-1ubuntu1.2+esm2"
]
},
{
"ecosystem_specific": {
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{
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{
"binary_name": "libpam-smbpass",
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{
"binary_name": "libpam-winbind",
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{
"binary_name": "libparse-pidl-perl",
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{
"binary_name": "libsmbclient",
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{
"binary_name": "libsmbsharemodes0",
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{
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},
{
"binary_name": "python-samba",
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},
{
"binary_name": "registry-tools",
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{
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{
"binary_name": "samba-common",
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},
{
"binary_name": "samba-common-bin",
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},
{
"binary_name": "samba-dsdb-modules",
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{
"binary_name": "samba-libs",
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{
"binary_name": "samba-testsuite",
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{
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{
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{
"binary_name": "winbind",
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}
]
},
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{
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{
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{
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}
],
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}
],
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{
"ecosystem_specific": {
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"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "heimdal-multidev",
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},
{
"binary_name": "heimdal-servers",
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},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libgssapi3-heimdal",
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},
{
"binary_name": "libhcrypto4-heimdal",
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},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
}
]
},
"package": {
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},
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{
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{
"fixed": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
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},
{
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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"binary_name": "ctdb",
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{
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{
"binary_name": "libpam-winbind",
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{
"binary_name": "libparse-pidl-perl",
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{
"binary_name": "libsmbclient",
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{
"binary_name": "libwbclient0",
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},
{
"binary_name": "python-samba",
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},
{
"binary_name": "registry-tools",
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},
{
"binary_name": "samba",
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{
"binary_name": "samba-common",
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},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm2"
},
{
"binary_name": "samba-dsdb-modules",
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{
"binary_name": "samba-libs",
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{
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{
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},
{
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},
{
"binary_name": "winbind",
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]
},
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"name": "samba",
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{
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"2:4.15.5~dfsg-0ubuntu5.1",
"2:4.15.9+dfsg-0ubuntu0.2",
"2:4.15.9+dfsg-0ubuntu0.3"
]
}
],
"aliases": [],
"details": "A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the application, possibly resulting in a denial of service (DoS) attack.",
"id": "UBUNTU-CVE-2022-3437",
"modified": "2026-04-22T07:41:19Z",
"published": "2022-10-27T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-3437"
},
{
"type": "REPORT",
"url": "https://www.samba.org/samba/security/CVE-2022-3437.html"
},
{
"type": "REPORT",
"url": "https://github.com/heimdal/heimdal/security/advisories/GHSA-45j3-5v39-rf9j"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5800-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5822-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5822-2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5936-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3437"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7582-1"
}
],
"related": [
"USN-5800-1",
"USN-5822-1",
"USN-5822-2",
"USN-5936-1",
"USN-7582-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2022-3437"
]
}
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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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