swftools up to 20200710 swftext.c updateusage null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in swftools up to 20200710. It has been declared as problematic. This affects the function updateusage of the file swftext.c. Executing a manipulation can lead to null pointer dereference. This vulnerability is registered as CVE-2021-39594. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in swftools up to 20200710 (Programming Tool Software). This vulnerability affects the function updateusage of the file swftext.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 published 09/21/2021 as 142. The advisory is available at github.com. This vulnerability was named CVE-2021-39594 since 08/23/2021. 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: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 🔍
09/30/2021 +9 days 🔍

Sourcesinfo

Advisory: 142
Status: Confirmed

CVE: CVE-2021-39594 (🔍)
GCVE (CVE): GCVE-0-2021-39594
GCVE (VulDB): GCVE-100-183070

Entryinfo

Created: 09/21/2021 09:55
Updated: 09/30/2021 10:46
Changes: 09/21/2021 09:55 (39), 09/30/2021 10:40 (1), 09/30/2021 10:46 (18)
Complete: 🔍
Cache ID: 216::103

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