NuGetGallery cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in NuGetGallery. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2020-1340. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NuGetGallery (Photo Gallery Software) (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.

The weakness was disclosed 06/09/2020 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with the project team. This vulnerability is uniquely identified as CVE-2020-1340. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The advisory points out:

A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values. An attacker who successfully exploited the vulnerability could perform cross-site scripting attacks and run scripts in the security context of the user viewing the malicious content.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/04/2019 🔍
06/09/2020 +218 days 🔍
06/09/2020 +0 days 🔍
06/10/2020 +1 days 🔍
10/23/2020 +135 days 🔍

Sourcesinfo

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-1340 (🔍)
GCVE (CVE): GCVE-0-2020-1340
GCVE (VulDB): GCVE-100-156387

Entryinfo

Created: 06/10/2020 08:09
Updated: 10/23/2020 12:33
Changes: 06/10/2020 08:09 (40), 06/10/2020 08:14 (17), 10/23/2020 12:33 (1)
Complete: 🔍
Cache ID: 216::103

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