NCurse 6.4-20230418 _nc_wrap_entry memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in NCurse 6.4-20230418. It has been declared as critical. This affects the function _nc_wrap_entry. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2023-50495. There is no available exploit.

Detailsinfo

A vulnerability was found in NCurse 6.4-20230418 and classified as critical. Affected by this issue is the function _nc_wrap_entry. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

The weakness was presented 12/12/2023. The advisory is shared for download at lists.gnu.org. This vulnerability is handled as CVE-2023-50495 since 12/11/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 212150 (CBL Mariner 2.0 Security Update: ncurses (CVE-2023-50495)), which helps to determine the existence of the flaw in a target environment.

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 Tenable (212150). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: 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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Nessus ID: 212150
Nessus Name: CBL Mariner 2.0 Security Update: ncurses (CVE-2023-50495)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/11/2023 🔍
12/12/2023 +1 days 🔍
12/12/2023 +0 days 🔍
12/07/2024 +361 days 🔍

Sourcesinfo

Advisory: lists.gnu.org
Status: Not defined

CVE: CVE-2023-50495 (🔍)
GCVE (CVE): GCVE-0-2023-50495
GCVE (VulDB): GCVE-100-247568

Entryinfo

Created: 12/12/2023 17:01
Updated: 12/07/2024 11:54
Changes: 12/12/2023 17:01 (37), 01/02/2024 14:14 (11), 12/07/2024 11:54 (17)
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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