Libde265 1.0.8 Video File sse-motion.cc ff_hevc_put_hevc_qpel_h_2_v_1_sse heap-based overflow

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Libde265 1.0.8. This affects the function ff_hevc_put_hevc_qpel_h_2_v_1_sse of the file sse-motion.cc of the component Video File Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability is handled as CVE-2022-43240. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Libde265 1.0.8 and classified as critical. This vulnerability affects the function ff_hevc_put_hevc_qpel_h_2_v_1_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. CVE summarizes:

Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via ff_hevc_put_hevc_qpel_h_2_v_1_sse in sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.

The weakness was released 11/02/2022 as 335. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-43240 since 10/17/2022. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Libde265

Version

1.0.8

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/17/2022 🔍
11/02/2022 +16 days 🔍
11/02/2022 +0 days 🔍
12/04/2022 +32 days 🔍

Sourcesinfo

Advisory: 335
Status: Confirmed

CVE: CVE-2022-43240 (🔍)
GCVE (CVE): GCVE-0-2022-43240
GCVE (VulDB): GCVE-100-212836

Entryinfo

Created: 11/02/2022 20:37
Updated: 12/04/2022 08:16
Changes: 11/02/2022 20:37 (40), 12/04/2022 08:16 (12)
Complete: 🔍
Cache ID: 216::103