libredwg up to 0.10.1.3751 bits.c bit_read_fixed heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in libredwg up to 0.10.1.3751. It has been classified as critical. This impacts the function bit_read_fixed of the file bits.c. Performing a manipulation results in heap-based overflow. This vulnerability is reported as CVE-2021-39525. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in libredwg up to 0.10.1.3751 (Image Processing Software). This affects the function bit_read_fixed of the file bits.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 09/21/2021 as 261. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-39525 since 08/23/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/21/2021 +29 days 🔍
09/21/2021 +0 days 🔍
09/29/2021 +8 days 🔍

Sourcesinfo

Product: github.com

Advisory: 261
Status: Confirmed

CVE: CVE-2021-39525 (🔍)
GCVE (CVE): GCVE-0-2021-39525
GCVE (VulDB): GCVE-100-183027

Entryinfo

Created: 09/21/2021 09:35
Updated: 09/29/2021 22:47
Changes: 09/21/2021 09:35 (40), 09/29/2021 22:37 (1), 09/29/2021 22:47 (18)
Complete: 🔍
Cache ID: 216::103

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