CVE-2016-1576 (GCVE-0-2016-1576)
Vulnerability from cvelistv5 – Published: 2016-05-02 10:00 – Updated: 2024-08-05 23:02
VLAI?
Summary
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T23:02:11.745Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugs.launchpad.net/bugs/1535150"
},
{
"name": "[oss-security] 20160224 Overlayfs over Fuse Privilege Escalation in USERNS",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2016/02/24/8"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/"
},
{
"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2016-02-24T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-10-18T20:06:10.000Z",
"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"shortName": "canonical"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugs.launchpad.net/bugs/1535150"
},
{
"name": "[oss-security] 20160224 Overlayfs over Fuse Privilege Escalation in USERNS",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2016/02/24/8"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/"
},
{
"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@ubuntu.com",
"ID": "CVE-2016-1576",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch",
"refsource": "MISC",
"url": "https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch"
},
{
"name": "https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch",
"refsource": "MISC",
"url": "https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch"
},
{
"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360",
"refsource": "MISC",
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"
},
{
"name": "https://bugs.launchpad.net/bugs/1535150",
"refsource": "CONFIRM",
"url": "https://bugs.launchpad.net/bugs/1535150"
},
{
"name": "[oss-security] 20160224 Overlayfs over Fuse Privilege Escalation in USERNS",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2016/02/24/8"
},
{
"name": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html",
"refsource": "CONFIRM",
"url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html"
},
{
"name": "http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/",
"refsource": "MISC",
"url": "http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/"
},
{
"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2016-1576",
"datePublished": "2016-05-02T10:00:00.000Z",
"dateReserved": "2016-01-12T00:00:00.000Z",
"dateUpdated": "2024-08-05T23:02:11.745Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…