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githubGitHub Advisory DatabaseGHSA-86VQ-8QHC-5RQW
HistoryMay 14, 2022 - 3:15 a.m.

Apache Struts vulnerable to possible DoS attack when using URLValidator

2022-05-1403:15:07
CWE-20
GitHub Advisory Database
github.com
9

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.4%

If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.

Affected configurations

Vulners
Node
org.apache.struts\struts2Matchcore
CPENameOperatorVersion
org.apache.struts:struts2-corelt2.5.13

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.4%