GSD-2021-1527
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-1527",
"description": "A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information.",
"id": "GSD-2021-1527"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-1527"
],
"details": "A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information.",
"id": "GSD-2021-1527",
"modified": "2023-12-13T01:23:23.477157Z",
"schema_version": "1.4.0"
}
},
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"ASSIGNER": "psirt@cisco.com",
"DATE_PUBLIC": "2021-06-02T16:00:00",
"ID": "CVE-2021-1527",
"STATE": "PUBLIC",
"TITLE": "Cisco Webex Player Memory Corruption Vulnerability"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Cisco Webex Meetings ",
"version": {
"version_data": [
{
"version_value": "n/a"
}
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"description": {
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"lang": "eng",
"value": "A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information."
}
]
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"exploit": [
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"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
}
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"baseScore": "5.3",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L ",
"version": "3.0"
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"value": "CWE-119"
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"name": "20210602 Cisco Webex Player Memory Corruption Vulnerability",
"refsource": "CISCO",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kxtkFbnR"
}
]
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"source": {
"advisory": "cisco-sa-webex-player-kxtkFbnR",
"defect": [
[
"CSCvx58427"
]
],
"discovery": "INTERNAL"
}
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:cisco:webex_player:*:*:*:*:*:macos:*:*",
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"versionEndExcluding": "41.5",
"vulnerable": true
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{
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"vulnerable": true
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"operator": "OR"
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"cve": {
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"ID": "CVE-2021-1527"
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"description": {
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"value": "A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information."
}
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"value": "CWE-787"
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"references": {
"reference_data": [
{
"name": "20210602 Cisco Webex Player Memory Corruption Vulnerability",
"refsource": "CISCO",
"tags": [
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"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kxtkFbnR"
}
]
}
},
"impact": {
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"acInsufInfo": false,
"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
"version": "2.0"
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"exploitabilityScore": 8.6,
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"obtainAllPrivilege": false,
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"severity": "MEDIUM",
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"attackVector": "LOCAL",
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"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
"version": "3.1"
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"exploitabilityScore": 1.8,
"impactScore": 4.2
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},
"lastModifiedDate": "2021-06-14T18:50Z",
"publishedDate": "2021-06-04T17:15Z"
}
}
}
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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.
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