CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in Apple tvOS up to 15.1.1 (Digital Media Player). This vulnerability affects an unknown code of the component Kernel. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 12/13/2021 by OSS-Fuzz and Ned Williamson as HT212980 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2021-30993. The technical details are unknown and an exploit is not available. The advisory points out:
An attacker in a privileged network position may be able to execute arbitrary code
Upgrading to version 15.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
A buffer overflow issue was addressed with improved memory handling.
Product
Type
Vendor
Name
Version
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: 5.6VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
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: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: tvOS 15.2
Timeline
04/13/2021 🔍12/13/2021 🔍
12/13/2021 🔍
12/17/2021 🔍
12/23/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212980
Researcher: OSS-Fuzz, Ned Williamson
Status: Confirmed
CVE: CVE-2021-30993 (🔍)
Entry
Created: 12/17/2021 16:32Updated: 12/23/2021 08:41
Changes: 12/17/2021 16:32 (19), 12/17/2021 16:36 (27), 12/23/2021 08:41 (1)
Complete: 🔍
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