ncurses 6.1 _nc_name_match null pointer dereference ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ncurses 6.1. The affected element is the function _nc_name_match. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2018-19217. The attack can be launched remotely. No exploit exists. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability was found in ncurses 6.1. It has been declared as problematic. This vulnerability affects the function _nc_name_match. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

In ncurses 6.1, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack.

The bug was discovered 10/29/2018. The weakness was disclosed 11/12/2018 (Website). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2018-19217 since 11/12/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/29/2018 🔍
11/12/2018 +14 days 🔍
11/12/2018 +0 days 🔍
11/12/2018 +0 days 🔍
11/13/2018 +1 days 🔍
08/05/2024 +2092 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined
Disputed: 🔍

CVE: CVE-2018-19217 (🔍)
GCVE (CVE): GCVE-0-2018-19217
GCVE (VulDB): GCVE-100-126682

Entryinfo

Created: 11/13/2018 08:09
Updated: 08/05/2024 18:03
Changes: 11/13/2018 08:09 (55), 04/11/2020 18:44 (1), 08/05/2024 18:03 (29)
Complete: 🔍
Cache ID: 216::103

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