Libde265 1.0.8 Video File sse-motion.cc ff_hevc_put_weighted_pred_avg_8_sse heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Libde265 1.0.8. Affected by this vulnerability is the function ff_hevc_put_weighted_pred_avg_8_sse of the file sse-motion.cc of the component Video File Handler. This manipulation causes heap-based overflow.
The identification of this vulnerability is CVE-2022-43243. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability was found in Libde265 1.0.8. It has been declared as critical. Affected by this vulnerability is the function ff_hevc_put_weighted_pred_avg_8_sse of the file sse-motion.cc of the component Video File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability. The summary by CVE is:
Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via ff_hevc_put_weighted_pred_avg_8_sse in sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.
The weakness was shared 11/02/2022 as 339. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-43243 since 10/17/2022. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/04/2022).
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
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/17/2022 🔍11/02/2022 🔍
11/02/2022 🔍
12/04/2022 🔍
Sources
Advisory: 339Status: Confirmed
CVE: CVE-2022-43243 (🔍)
GCVE (CVE): GCVE-0-2022-43243
GCVE (VulDB): GCVE-100-212839
Entry
Created: 11/02/2022 20:38Updated: 12/04/2022 08:23
Changes: 11/02/2022 20:38 (40), 12/04/2022 08:23 (12)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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