libde265 1.0.4 Global Buffer decode_CABAC_bit buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in libde265 1.0.4. This vulnerability affects the function decode_CABAC_bit of the component Global Buffer Handler. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2020-21596. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in libde265 1.0.4. It has been classified as critical. This affects the function decode_CABAC_bit of the component Global Buffer Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/17/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-21596 since 08/13/2020. 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 09/17/2021).

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.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

08/13/2020 🔍
09/17/2021 +400 days 🔍
09/17/2021 +0 days 🔍
09/19/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-21596 (🔍)
GCVE (CVE): GCVE-0-2020-21596
GCVE (VulDB): GCVE-100-182823

Entryinfo

Created: 09/17/2021 02:26
Updated: 09/19/2021 17:53
Changes: 09/17/2021 02:26 (37), 09/19/2021 17:53 (1)
Complete: 🔍
Cache ID: 216::103

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