Realtek RTL8195A prior 2.08 WPA2 Handshake CheckMic size stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Realtek RTL8195A and classified as critical. This vulnerability affects the function CheckMic
of the component WPA2 Handshake Handler. The manipulation of the argument size leads to stack-based overflow.
This vulnerability was named CVE-2020-25853. There is no exploit available.
It is recommended to upgrade the affected component.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Details
A vulnerability, which was classified as critical, was found in Realtek RTL8195A. This affects the function CheckMic
of the component WPA2 Handshake Handler. The manipulation of the argument size
with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 02/04/2021. It is possible to read the advisory at vdoo.com. This vulnerability is uniquely identified as CVE-2020-25853. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 2.08 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: RTL8195A 2.08
Timeline
09/23/2020 🔍02/04/2021 🔍
02/04/2021 🔍
02/23/2021 🔍
Sources
Advisory: vdoo.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2020-25853 (🔍)
GCVE (CVE): GCVE-0-2020-25853
GCVE (VulDB): GCVE-100-169167
Entry
Created: 02/04/2021 10:16Updated: 02/23/2021 12:31
Changes: 02/04/2021 10:16 (39), 02/23/2021 12:31 (6)
Complete: 🔍
Cache ID: 216:9D9:103
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