netprint App up to 3.2.3 on iOS X.509 Certificate Crafted Certificate certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in netprint App up to 3.2.3 on iOS. Impacted is an unknown function of the component X.509 Certificate. Such manipulation as part of Crafted Certificate leads to certificate validation. This vulnerability is documented as CVE-2020-5520. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in netprint App up to 3.2.3 on iOS (iOS App Software) and classified as problematic. Affected by this issue is some unknown functionality of the component X.509 Certificate. The manipulation as part of a Crafted Certificate leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality. CVE summarizes:

The netprint App for iOS 3.2.3 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

The weakness was released 01/27/2020. This vulnerability is handled as CVE-2020-5520 since 01/06/2020. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

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

Entries connected to this vulnerability are available at VDB-149398 and VDB-149397. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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

01/06/2020 🔍
01/27/2020 +21 days 🔍
01/27/2020 +0 days 🔍
03/26/2024 +1520 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2020-5520 (🔍)
GCVE (CVE): GCVE-0-2020-5520
GCVE (VulDB): GCVE-100-149396
See also: 🔍

Entryinfo

Created: 01/27/2020 13:47
Updated: 03/26/2024 13:26
Changes: 01/27/2020 13:47 (39), 01/27/2020 13:52 (18), 03/26/2024 13:26 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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