ncurses 6.1 Command tinfo/parse_entry.c postprocess_terminfo buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in ncurses 6.1. The affected element is the function postprocess_terminfo of the file tinfo/parse_entry.c of the component Command Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2020-19189. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in ncurses 6.1. It has been declared as critical. This vulnerability affects the function postprocess_terminfo of the file tinfo/parse_entry.c of the component Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

The weakness was published 08/23/2023. The advisory is shared for download at github.com. This vulnerability was named CVE-2020-19189 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 09/16/2023).

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.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB 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: 🔍

CVSSv2info

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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 🔍
09/16/2023 +24 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-19189 (🔍)
GCVE (CVE): GCVE-0-2020-19189
GCVE (VulDB): GCVE-100-237760

Entryinfo

Created: 08/23/2023 10:01
Updated: 09/16/2023 06:24
Changes: 08/23/2023 10:01 (39), 09/16/2023 06:24 (11)
Complete: 🔍
Cache ID: 216::103

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