swftools up to 20201222 swffilter.c swf_DeleteFilter null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in swftools up to 20201222. Impacted is the function swf_DeleteFilter of the file swffilter.c. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2021-42202. There is no available exploit.

Detailsinfo

A vulnerability has been found in swftools up to 20201222 (Programming Tool Software) and classified as problematic. This vulnerability affects the function swf_DeleteFilter of the file swffilter.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was presented 06/03/2022 as 171. The advisory is available at github.com. This vulnerability was named CVE-2021-42202 since 10/11/2021. Technical details 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.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 171
Status: Confirmed

CVE: CVE-2021-42202 (🔍)
GCVE (CVE): GCVE-0-2021-42202
GCVE (VulDB): GCVE-100-201118

Entryinfo

Created: 06/03/2022 08:36
Updated: 06/05/2022 14:41
Changes: 06/03/2022 08:36 (39), 06/05/2022 14:41 (1)
Complete: 🔍
Cache ID: 216::103

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