swftools up to 20201222 rfxswf.c swf_GetBits 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 was found in swftools up to 20201222. It has been declared as problematic. This vulnerability affects the function swf_GetBits of the file rfxswf.c. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2021-42198. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in swftools up to 20201222 (Programming Tool Software). Affected by this issue is the function swf_GetBits of the file rfxswf.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was released 06/03/2022 as 168. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-42198 since 10/11/2021. 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

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: 168
Status: Confirmed

CVE: CVE-2021-42198 (🔍)
GCVE (CVE): GCVE-0-2021-42198
GCVE (VulDB): GCVE-100-201116

Entryinfo

Created: 06/03/2022 08:35
Updated: 06/05/2022 14:39
Changes: 06/03/2022 08:35 (39), 06/05/2022 14:39 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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