Boron 2.0.8 libboron string.c ur_strInitUtf8 heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Boron 2.0.8. It has been classified as critical. The affected element is the function ur_strInitUtf8 of the file string.c of the component libboron. This manipulation causes heap-based overflow.
This vulnerability is tracked as CVE-2023-40295. No exploit exists.
Details
A vulnerability was found in Boron 2.0.8. It has been declared as critical. Affected by this vulnerability is the function ur_strInitUtf8 of the file string.c of the component libboron. 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 disclosed 08/14/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-40295 since 08/14/2023. 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.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-44888). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 7.1
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/14/2023 🔍08/14/2023 🔍
08/14/2023 🔍
01/27/2026 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2023-40295 (🔍)
GCVE (CVE): GCVE-0-2023-40295
GCVE (VulDB): GCVE-100-237067
EUVD: 🔍
Entry
Created: 08/14/2023 08:22Updated: 01/27/2026 21:27
Changes: 08/14/2023 08:22 (38), 09/08/2023 16:43 (11), 01/27/2026 21:27 (16)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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