fkie_cve-2018-15853
Vulnerability from fkie_nvd
Published
2018-08-25 21:29
Modified
2024-11-21 03:51
Severity ?
Summary
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| xkbcommon | libxkbcommon | * | |
| xkbcommon | xkbcommon | * | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:*",
"matchCriteriaId": "33CC7ED5-C297-470D-B26A-25D0EB694460",
"versionEndExcluding": "0.8.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C7D955F4-3540-42A7-8551-EA1A266DDEA6",
"versionEndExcluding": "0.8.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
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{
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}
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"negate": false,
"operator": "OR"
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation."
},
{
"lang": "es",
"value": "Existe recursi\u00f3n infinita en xkbcomp/expr.c en xkbcommon y libxkbcommon en versiones anteriores a la 0.8.1, lo que podr\u00eda ser empleado por atacantes locales para provocar el cierre inesperado de usuarios xkbcommon proporcionando un archivo keymap manipulado que desencadena la negaci\u00f3n booleana."
}
],
"id": "CVE-2018-15853",
"lastModified": "2024-11-21T03:51:34.440",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
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"cvssMetricV30": [
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
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}
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},
"published": "2018-08-25T21:29:01.483",
"references": [
{
"source": "cve@mitre.org",
"url": "https://access.redhat.com/errata/RHSA-2019:2079"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a"
},
{
"source": "cve@mitre.org",
"tags": [
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"Patch",
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],
"url": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201810-05"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://usn.ubuntu.com/3786-1/"
},
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},
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},
{
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"tags": [
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{
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},
{
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"tags": [
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"url": "https://usn.ubuntu.com/3786-2/"
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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