Qualcomm Snapdragon Auto up to QCN7605 G-Link SMEM Transport integer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.2 | $0-$5k | 0.00 |
A vulnerability has been found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice , Music and Snapdragon Wearables (Chip Software) and classified as critical. This vulnerability affects an unknown functionality of the component G-Link SMEM Transport Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
u'Lack of check of integer overflow while doing a round up operation for data read from shared memory for G-link SMEM transport can lead to corruption and potential information leak' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
The weakness was presented 09/08/2020 as confirmed security bulletin (Website). The advisory is available at qualcomm.com. This vulnerability was named CVE-2020-3620 since 12/17/2019. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
Upgrading eliminates this vulnerability.
See 160766, 160767, 160768 and 160769 for similar entries.
Product
Type
Vendor
Name
- Music
- Snapdragon Auto
- Snapdragon Compute
- Snapdragon Connectivity
- Snapdragon Consumer Electronics Connectivity
- Snapdragon Consumer IOT
- Snapdragon Industrial IOT
- Snapdragon Mobile
- Snapdragon Voice
- Snapdragon Wearables
Version
- APQ8009
- APQ8017
- APQ8053
- APQ8096AU
- APQ8098
- Bitra
- IPQ6018
- IPQ8074
- Kamorta
- MDM9150
- MDM9205
- MDM9206
- MDM9607
- MDM9640
- MDM9645
- MDM9650
- MDM9655
- MSM8905
- MSM8909
- MSM8917
- MSM8920
- MSM8937
- MSM8940
- MSM8953
- MSM8996
- MSM8996AU
- MSM8998
- Nicobar
- QCA8081
- QCM2150
- QCN7605
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/17/2019 🔍09/08/2020 🔍
09/08/2020 🔍
11/13/2020 🔍
Sources
Vendor: qualcomm.comAdvisory: qualcomm.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-3620 (🔍)
See also: 🔍
Entry
Created: 09/08/2020 18:19Updated: 11/13/2020 07:55
Changes: 09/08/2020 18:19 (40), 09/08/2020 18:24 (18), 11/12/2020 07:45 (1), 11/13/2020 07:55 (1)
Complete: 🔍
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