libConfuse 3.3 confuse.c cfg_tilde_expand heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in libConfuse 3.3. Affected by this issue is the function cfg_tilde_expand of the file confuse.c. Executing a manipulation can lead to heap-based overflow.
The identification of this vulnerability is CVE-2022-40320. There is no exploit available.
Details
A vulnerability has been found in libConfuse 3.3 and classified as critical. This vulnerability affects the function cfg_tilde_expand of the file confuse.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. CVE summarizes:
cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.
The weakness was shared 09/10/2022 as 163. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-40320 since 09/09/2022. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
Website
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
09/09/2022 🔍09/10/2022 🔍
09/10/2022 🔍
10/15/2022 🔍
Sources
Product: github.comAdvisory: 163
Status: Confirmed
CVE: CVE-2022-40320 (🔍)
GCVE (CVE): GCVE-0-2022-40320
GCVE (VulDB): GCVE-100-208264
Entry
Created: 09/10/2022 09:19Updated: 10/15/2022 09:23
Changes: 09/10/2022 09:19 (39), 10/15/2022 09:23 (11)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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