ncurses 6.1 Command progs/dump_entry.c one_one_mapping buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.75

Summaryinfo

A vulnerability categorized as critical has been discovered in ncurses 6.1. This affects the function one_one_mapping of the file progs/dump_entry.c of the component Command Handler. The manipulation results in buffer overflow. This vulnerability is identified as CVE-2020-19185. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in ncurses 6.1. Affected is the function one_one_mapping 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 confidentiality, integrity, and availability. CVE summarizes:

Buffer Overflow vulnerability in one_one_mapping function in progs/dump_entry.c:1373 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

The weakness was released 08/23/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-19185 since 08/13/2020. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/14/2023).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
08/23/2023 +1105 days 🔍
08/23/2023 +0 days 🔍
09/14/2023 +22 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-19185 (🔍)
GCVE (CVE): GCVE-0-2020-19185
GCVE (VulDB): GCVE-100-237756

Entryinfo

Created: 08/23/2023 10:00
Updated: 09/14/2023 19:06
Changes: 08/23/2023 10:00 (39), 09/14/2023 19:06 (11)
Complete: 🔍
Cache ID: 216::103

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