yubihsm-shell up to 2.0.2 Operations yh_create_session out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in yubihsm-shell up to 2.0.2. It has been rated as problematic. Affected by this vulnerability is the function yh_create_session of the component Operations. Performing a manipulation results in out-of-bounds write.
This vulnerability is known as CVE-2020-24387. No exploit is available.
Details
A vulnerability classified as problematic has been found in yubihsm-shell up to 2.0.2. This affects the function yh_create_session of the component Operations. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability.
The weakness was published 10/20/2020. It is possible to read the advisory at yubico.com. This vulnerability is uniquely identified as CVE-2020-24387. Technical details of the vulnerability are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/19/2020 🔍10/20/2020 🔍
10/20/2020 🔍
11/21/2020 🔍
Sources
Advisory: yubico.comStatus: Confirmed
CVE: CVE-2020-24387 (🔍)
GCVE (CVE): GCVE-0-2020-24387
GCVE (VulDB): GCVE-100-162855
Entry
Created: 10/20/2020 09:04Updated: 11/21/2020 08:53
Changes: 10/20/2020 09:04 (35), 11/20/2020 08:14 (4), 11/21/2020 08:46 (2), 11/21/2020 08:53 (14)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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