ncurses 6.1 Command progs/dump_entry.c fmt_entry buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in ncurses 6.1. Impacted is the function fmt_entry of the file progs/dump_entry.c of the component Command Handler. Performing a manipulation results in buffer overflow.
This vulnerability is cataloged as CVE-2020-19188. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability was found in ncurses 6.1. It has been classified as critical. This affects the function fmt_entry of the file progs/dump_entry.c of the component Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. The summary by CVE is:
Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
The weakness was shared 08/23/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-19188 since 08/13/2020. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/16/2023).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/13/2020 🔍08/23/2023 🔍
08/23/2023 🔍
09/16/2023 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2020-19188 (🔍)
GCVE (CVE): GCVE-0-2020-19188
GCVE (VulDB): GCVE-100-237759
Entry
Created: 08/23/2023 10:01Updated: 09/16/2023 06:11
Changes: 08/23/2023 10:01 (39), 09/16/2023 06:11 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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