CVE-2023-20702 (GCVE-0-2023-20702)
Vulnerability from cvelistv5 – Published: 2023-11-06 03:50 – Updated: 2024-09-05 15:17
VLAI
EPSS
VEX
Summary
In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-05 15:16 UTC
CWE
- Denial of Service
Assigner
References
1 reference
Impacted products
20 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| MediaTek, Inc. | MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798 |
Affected:
Modem NR15, NR16, NR17
|
guessed | |
| mediatek | mt6835 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:* |
||
| mediatek | mt6873 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:* |
||
| mediatek | mt6875 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:* |
||
| mediatek | mt6879 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* |
||
| mediatek | mt6883 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:* |
||
| mediatek | mt6885 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* |
||
| mediatek | mt6886 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* |
||
| mediatek | mt6889 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:* |
||
| mediatek | mt6895 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* |
||
| mediatek | mt6980 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6980:-:*:*:*:*:*:*:* |
||
| mediatek | mt6983 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* |
||
| mediatek | mt6985 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* |
||
| mediatek | mt6990 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:* |
||
| mediatek | mt8673 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8673:-:*:*:*:*:*:*:* |
||
| mediatek | mt8675 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:* |
||
| mediatek | mt8791 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:* |
||
| mediatek | mt8791t |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:* |
||
| mediatek | mt8797 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:* |
||
| mediatek | mt8798 |
Affected:
0 , ≤ *
(custom)
cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:* |
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{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "mt8798",
"vendor": "mediatek",
"versions": [
{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-20702",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-05T15:16:26.867886Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-05T15:14:43.173Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798",
"vendor": "MediaTek, Inc.",
"versions": [
{
"status": "affected",
"version": "Modem NR15, NR16, NR17"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Denial of Service",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-06T03:50:51.533Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
},
"references": [
{
"url": "https://corp.mediatek.com/product-security-bulletin/November-2023"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"assignerShortName": "MediaTek",
"cveId": "CVE-2023-20702",
"datePublished": "2023-11-06T03:50:51.533Z",
"dateReserved": "2022-10-28T02:03:10.759Z",
"dateUpdated": "2024-09-05T15:17:22.422Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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