CVE-2020-5243

uap-core before 0.7.3 is vulnerable to a denial of service attack when processing crafted User-Agent strings. Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. This has been patched in uap-core 0.7.3.

CVSS v3 5.7 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1	Patch
https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p	Exploit Third Party Advisory
https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1	Patch
https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:uap-core_project:uap-core:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2020-02-21 00:15

Updated : 2024-11-21 05:33

NVD link : CVE-2020-5243

Mitre link : CVE-2020-5243

CVE.ORG link : CVE-2020-5243

JSON object : View

Products Affected

uap-core_project

uap-core

CWE

CWE-20

Improper Input Validation

CWE-1333

Inefficient Regular Expression Complexity

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