Apple iOS/iPadOS up to 15.4.1 AVEVideoEncoder out-of-bounds write

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Apple iOS and iPadOS up to 15.4.1 and classified as critical. Affected by this issue is some unknown functionality of the component AVEVideoEncoder. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2022-26740. The attack needs to be performed locally. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 15.4.1 (Smartphone Operating System). Affected by this issue is an unknown code of the component AVEVideoEncoder. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.
The weakness was released 05/16/2022 as HT213258 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2022-26740. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/17/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
An application may be able to execute arbitrary code with kernel privileges
Upgrading to version 15.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
An out-of-bounds write issue was addressed with improved bounds checking.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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: iOS/iPadOS 15.5
Timeline
03/08/2022 🔍05/16/2022 🔍
05/16/2022 🔍
05/17/2022 🔍
05/28/2022 🔍
Sources
Vendor: apple.comAdvisory: HT213258
Status: Confirmed
CVE: CVE-2022-26740 (🔍)
GCVE (CVE): GCVE-0-2022-26740
GCVE (VulDB): GCVE-100-200036
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 05/17/2022 16:04Updated: 05/28/2022 07:24
Changes: 05/17/2022 16:04 (18), 05/17/2022 16:07 (28), 05/24/2022 07:33 (1), 05/28/2022 07:24 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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