SWFTools up to 20200710 swfdump.c main 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 was found in SWFTools up to 20200710 and classified as critical. This affects the function main of the file swfdump.c. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2021-39577. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in SWFTools up to 20200710 (Programming Tool Software). This vulnerability affects the function main of the file swfdump.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 presented 09/21/2021 as 121. The advisory is available at github.com. This vulnerability was named CVE-2021-39577 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: 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: 121
Status: Confirmed

CVE: CVE-2021-39577 (🔍)
GCVE (CVE): GCVE-0-2021-39577
GCVE (VulDB): GCVE-100-182998

Entryinfo

Created: 09/21/2021 08:23
Updated: 09/29/2021 16:59
Changes: 09/21/2021 08:23 (39), 09/29/2021 16:51 (1), 09/29/2021 16:59 (18)
Complete: 🔍
Cache ID: 216::103

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