GTKWave 3.3.115 FST LEB128 fstReaderVarint64 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in GTKWave 3.3.115. Affected by this issue is the function fstReaderVarint64 of the component FST LEB128 Handler. The manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2023-35703. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GTKWave 3.3.115 and classified as critical. This issue affects the function fstReaderVarint64 of the component FST LEB128 Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the fstReaderVarint64 function.

The weakness was shared 01/08/2024 as TALOS-2023-1783. It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2023-35703 since 06/15/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2023 🔍
01/08/2024 +207 days 🔍
01/08/2024 +0 days 🔍
01/08/2024 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1783
Status: Confirmed

CVE: CVE-2023-35703 (🔍)
GCVE (CVE): GCVE-0-2023-35703
GCVE (VulDB): GCVE-100-249899

Entryinfo

Created: 01/08/2024 17:04
Changes: 01/08/2024 17:04 (50)
Complete: 🔍
Cache ID: 216::103

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