CVE-2023-20821
Vulnerability from cvelistv5
Published
2023-09-04 02:27
Modified
2024-10-10 17:06
Severity ?
EPSS score ?
Summary
In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | MediaTek, Inc. | MT2713, MT2735, MT6833, MT6835, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 |
Version: Android 11.0, 12.0, 13.0 / OpenWrt 1907, 2102 / Yocto 2.6 / RDK-B 22Q3 |
|
|
|||
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"baseScore": 6.7,
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"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
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"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
"product": "MT2713, MT2735, MT6833, MT6835, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797",
"vendor": "MediaTek, Inc.",
"versions": [
{
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}
]
}
],
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"lang": "en",
"value": "In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113."
}
],
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},
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}
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"id": "CVE-2023-20821",
"lastModified": "2024-11-21T07:41:36.663",
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"published": "2023-09-04T03:15:08.480",
"references": "[{\"url\": \"https://corp.mediatek.com/product-security-bulletin/September-2023\", \"source\": \"security@mediatek.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://corp.mediatek.com/product-security-bulletin/September-2023\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "security@mediatek.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
},
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\"lessThanOrEqual\": \"*\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*\", \"cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*\"], \"vendor\": \"google\", \"product\": \"android\", \"versions\": [{\"status\": \"affected\", \"version\": \"12.0\"}, {\"status\": \"affected\", \"version\": \"13.0\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-10T17:05:12.437Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2023-20821\", \"assignerOrgId\": \"ee979b05-11f8-4f25-a7e0-a1fa9c190374\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"MediaTek\", \"dateReserved\": \"2022-10-28T02:03:23.673Z\", \"datePublished\": \"2023-09-04T02:27:17.577Z\", \"dateUpdated\": \"2024-10-10T17:06:16.142Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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.