SWFTools up to 20200710 swfaction.c swf_DumpActions heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in SWFTools up to 20200710. Affected is the function swf_DumpActions of the file swfaction.c. This manipulation causes heap-based overflow. This vulnerability is registered as CVE-2021-39564. No exploit is available.

Detailsinfo

A vulnerability was found in SWFTools up to 20200710 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function swf_DumpActions of the file swfaction.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 published 09/21/2021 as 116. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-39564 since 08/23/2021. 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: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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 🔍
09/29/2021 +8 days 🔍

Sourcesinfo

Advisory: 116
Status: Confirmed

CVE: CVE-2021-39564 (🔍)
GCVE (CVE): GCVE-0-2021-39564
GCVE (VulDB): GCVE-100-182995

Entryinfo

Created: 09/21/2021 04:16
Updated: 09/29/2021 16:12
Changes: 09/21/2021 04:16 (39), 09/29/2021 16:05 (1), 09/29/2021 16:12 (18)
Complete: 🔍
Cache ID: 216::103

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