GTKWave 3.3.115 fstReaderIterBlocks2 heap-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 has been found in GTKWave 3.3.115 and classified as critical. This affects the function fstReaderIterBlocks2. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2023-36746. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in GTKWave 3.3.115 and classified as critical. This issue affects the function fstReaderIterBlocks2. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the handling of `len` in `fstWritex` when parsing the time table.

The weakness was disclosed 01/08/2024 as TALOS-2023-1793. The advisory is shared at talosintelligence.com. The identification of this vulnerability is CVE-2023-36746 since 06/26/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading eliminates this vulnerability.

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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: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (Talos): 🔍

CVSSv2info

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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2023 🔍
01/08/2024 +196 days 🔍
01/08/2024 +0 days 🔍
01/25/2024 +17 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1793
Status: Confirmed

CVE: CVE-2023-36746 (🔍)
GCVE (CVE): GCVE-0-2023-36746
GCVE (VulDB): GCVE-100-249917

Entryinfo

Created: 01/08/2024 17:13
Updated: 01/25/2024 12:39
Changes: 01/08/2024 17:13 (49), 01/25/2024 12:39 (11)
Complete: 🔍
Cache ID: 216::103

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