Microsoft Visual Studio up to 2017 15.9/2019 16.11 OpenSSL buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Microsoft Visual Studio up to 2017 15.9/2019 16.11 (Programming Tool Software). Affected by this issue is some unknown processing of the component OpenSSL. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.
The weakness was shared 11/09/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-3711. The technical details are unknown and an exploit is not available.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Vendor
Name
Version
- 2017 15.0
- 2017 15.1
- 2017 15.2
- 2017 15.3
- 2017 15.4
- 2017 15.5
- 2017 15.6
- 2017 15.7
- 2017 15.8
- 2017 15.9
- 2019 16.0
- 2019 16.1
- 2019 16.2
- 2019 16.3
- 2019 16.4
- 2019 16.5
- 2019 16.6
- 2019 16.7
- 2019 16.8
- 2019 16.9
- 2019 16.10
- 2019 16.11
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: 7.6VulDB Meta Temp Score: 7.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: 59f5e75f3bced8fc0e130d72a3f582cf7b480b46
Timeline
08/16/2021 🔍11/09/2021 🔍
11/09/2021 🔍
11/10/2021 🔍
11/11/2021 🔍
Sources
Vendor: microsoft.comAdvisory: dsa-4963
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-3711 (🔍)
Entry
Created: 11/10/2021 08:01Updated: 11/11/2021 20:40
Changes: 11/10/2021 08:01 (5), 11/10/2021 08:02 (7), 11/10/2021 08:05 (31), 11/11/2021 20:33 (6), 11/11/2021 20:40 (19)
Complete: 🔍
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