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veracodeVeracode Vulnerability DatabaseVERACODE:6154
HistoryApr 19, 2018 - 7:44 a.m.

Regular Expression Denial Of Service (ReDoS)

2018-04-1907:44:33
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
3

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

braces is vulnerable to Regular expression Denial of Service (ReDoS). parser.js uses regular expression (^\\{(,+(?:(\\{,+\\})*),*|,*(?:(\\{,+\\})*),+)\\}) to detects empty braces, consuming 10 seconds matching time for data 50K characters long.

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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