David Brackeen ok-file-formats /ok_png.c ok_png_transform_scanline heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in David Brackeen ok-file-formats. This impacts the function ok_png_transform_scanline of the file /ok_png.c. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2021-44339. No exploit exists.

Detailsinfo

A vulnerability has been found in David Brackeen ok-file-formats (affected version not known) and classified as critical. This vulnerability affects the function ok_png_transform_scanline of the file /ok_png.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 disclosed 02/28/2022 as 15. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-44339 since 11/29/2021. 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

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

11/29/2021 🔍
02/28/2022 +91 days 🔍
02/28/2022 +0 days 🔍
03/03/2022 +3 days 🔍

Sourcesinfo

Advisory: 15
Status: Confirmed

CVE: CVE-2021-44339 (🔍)
GCVE (CVE): GCVE-0-2021-44339
GCVE (VulDB): GCVE-100-193972

Entryinfo

Created: 02/28/2022 19:26
Updated: 03/03/2022 14:21
Changes: 02/28/2022 19:26 (38), 03/03/2022 14:21 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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