ubuntu-cve-2017-13721
Vulnerability from osv_ubuntu
Published
2017-10-09 00:00
Modified
2026-04-22 07:38
Summary
Details
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
Severity
4.7 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "xdmx",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xdmx-tools",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xnest",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xorg-server-source",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xserver-common",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xserver-xephyr",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xserver-xorg-core",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xserver-xorg-xmir",
"binary_version": "2:1.15.1-0ubuntu2.10"
},
{
"binary_name": "xvfb",
"binary_version": "2:1.15.1-0ubuntu2.10"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "xorg-server",
"purl": "pkg:deb/ubuntu/xorg-server@2:1.15.1-0ubuntu2.10?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.15.1-0ubuntu2.10"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.14.3-3ubuntu2",
"2:1.14.3-3ubuntu3",
"2:1.14.3-3ubuntu4",
"2:1.14.3-5ubuntu1",
"2:1.14.4-1ubuntu1",
"2:1.14.4-1ubuntu2",
"2:1.14.4.901-0ubuntu2",
"2:1.14.5-1ubuntu2",
"2:1.14.5-1ubuntu4",
"2:1.15.0-1ubuntu1",
"2:1.15.0-1ubuntu2",
"2:1.15.0-1ubuntu3",
"2:1.15.0-1ubuntu4",
"2:1.15.0-1ubuntu6",
"2:1.15.0-1ubuntu7",
"2:1.15.1-0ubuntu1",
"2:1.15.1-0ubuntu2",
"2:1.15.1-0ubuntu2.1",
"2:1.15.1-0ubuntu2.4",
"2:1.15.1-0ubuntu2.5",
"2:1.15.1-0ubuntu2.6",
"2:1.15.1-0ubuntu2.7",
"2:1.15.1-0ubuntu2.9"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "xorg-server-source-lts-xenial",
"binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
},
{
"binary_name": "xserver-xephyr-lts-xenial",
"binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
},
{
"binary_name": "xserver-xorg-core-lts-xenial",
"binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
},
{
"binary_name": "xserver-xorg-dev-lts-xenial",
"binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
},
{
"binary_name": "xwayland-lts-xenial",
"binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "xorg-server-lts-xenial",
"purl": "pkg:deb/ubuntu/xorg-server-lts-xenial@2:1.18.3-1ubuntu2.3~trusty3?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.18.3-1ubuntu2.3~trusty3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.18.3-1ubuntu2.2~trusty1",
"2:1.18.3-1ubuntu2.2~trusty2",
"2:1.18.3-1ubuntu2.2~trusty3",
"2:1.18.3-1ubuntu2.3~trusty1",
"2:1.18.3-1ubuntu2.3~trusty2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "xdmx",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xdmx-tools",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xmir",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xnest",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xorg-server-source",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xserver-common",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xserver-xephyr",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xserver-xorg-core",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xserver-xorg-legacy",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xserver-xorg-xmir",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xvfb",
"binary_version": "2:1.18.4-0ubuntu0.6"
},
{
"binary_name": "xwayland",
"binary_version": "2:1.18.4-0ubuntu0.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "xorg-server",
"purl": "pkg:deb/ubuntu/xorg-server@2:1.18.4-0ubuntu0.6?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.18.4-0ubuntu0.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.17.2-1ubuntu9",
"2:1.17.2-1ubuntu10",
"2:1.17.3-2ubuntu1",
"2:1.17.3-2ubuntu2",
"2:1.17.3-2ubuntu3",
"2:1.17.3-2ubuntu4",
"2:1.18.1-1ubuntu3",
"2:1.18.1-1ubuntu4",
"2:1.18.3-1ubuntu1",
"2:1.18.3-1ubuntu2",
"2:1.18.3-1ubuntu2.2",
"2:1.18.3-1ubuntu2.3",
"2:1.18.4-0ubuntu0.1",
"2:1.18.4-0ubuntu0.2",
"2:1.18.4-0ubuntu0.3",
"2:1.18.4-0ubuntu0.4"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "xmir-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xorg-server-source-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xserver-xephyr-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xserver-xorg-core-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xserver-xorg-dev-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xserver-xorg-legacy-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
},
{
"binary_name": "xwayland-hwe-16.04",
"binary_version": "2:1.19.3-1ubuntu1~16.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "xorg-server-hwe-16.04",
"purl": "pkg:deb/ubuntu/xorg-server-hwe-16.04@2:1.19.3-1ubuntu1~16.04.3?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.19.3-1ubuntu1~16.04.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.18.4-1ubuntu6.1~16.04.1",
"2:1.18.4-1ubuntu6.1~16.04.2",
"2:1.19.3-1ubuntu1~16.04.2"
]
}
],
"aliases": [],
"details": "In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.",
"id": "UBUNTU-CVE-2017-13721",
"modified": "2026-04-22T07:38:21Z",
"published": "2017-10-09T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-13721"
},
{
"type": "REPORT",
"url": "http://seclists.org/oss-sec/2017/q4/31"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3453-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-13721"
}
],
"related": [
"USN-3453-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2017-13721"
]
}
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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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