swftools up to 20201222 swftext.c swf_FontExtract_DefineTextCallback heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in swftools up to 20201222. Affected by this vulnerability is the function swf_FontExtract_DefineTextCallback of the file swftext.c. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2021-42199. There is not any exploit available.

Detailsinfo

A vulnerability has been found in swftools up to 20201222 (Programming Tool Software) and classified as critical. Affected by this vulnerability is the function swf_FontExtract_DefineTextCallback of the file swftext.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 released 06/03/2022 as 173. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-42199 since 10/11/2021. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Name

Version

License

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

10/11/2021 🔍
06/03/2022 +235 days 🔍
06/03/2022 +0 days 🔍
06/05/2022 +2 days 🔍

Sourcesinfo

Advisory: 173
Status: Confirmed

CVE: CVE-2021-42199 (🔍)
GCVE (CVE): GCVE-0-2021-42199
GCVE (VulDB): GCVE-100-201091

Entryinfo

Created: 06/03/2022 08:10
Updated: 06/05/2022 12:37
Changes: 06/03/2022 08:10 (39), 06/05/2022 12:37 (1)
Complete: 🔍
Cache ID: 216::103

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

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