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veracodeVeracode Vulnerability DatabaseVERACODE:42870
HistoryAug 22, 2023 - 2:36 a.m.

Arbitrary Code Execution

2023-08-2202:36:08
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
8
arbitrary code execution
com.alibaba.nacos
yaml
nacospropertysource
snakeyamls constructor

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

44.0%

com.alibaba.nacos:nacos-spring-context is vulnerable to Arbitrary Code Execution. The vulnerability exists in the SnakeYamls Constructor(), which is used to parse YAML files. An attacker who is able to modify a yaml file thats defined in the NacosPropertySource is able to execute arbitrary code.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

44.0%

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