libredwg up to 0.10.1.3751 decode.c appinfo_private heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in libredwg up to 0.10.1.3751. It has been declared as critical. Affected is the function appinfo_private of the file decode.c. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2021-39527. There is no available exploit.

Detailsinfo

A vulnerability has been found in libredwg up to 0.10.1.3751 (Image Processing Software) and classified as critical. This vulnerability affects the function appinfo_private of the file decode.c. 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 confidentiality, integrity, and availability.

The weakness was presented 09/21/2021 as 252. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-39527 since 08/23/2021. There are known technical details, but no exploit is available.

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

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: 5.5
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: no mitigation known
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: 252
Status: Confirmed

CVE: CVE-2021-39527 (🔍)
GCVE (CVE): GCVE-0-2021-39527
GCVE (VulDB): GCVE-100-183028

Entryinfo

Created: 09/21/2021 09:35
Updated: 09/29/2021 23:12
Changes: 09/21/2021 09:35 (39), 09/29/2021 23:00 (1), 09/29/2021 23:12 (18)
Complete: 🔍
Cache ID: 216::103

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