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Veracode Vulnerability DatabaseVERACODE:5159

HistorySep 22, 2017 - 4:21 p.m.

Regular Expression Denial Of Service (ReDoS)

2017-09-2216:21:03

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

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

JSON

marked is vulnerable to regular expression denial of service (ReDoS) attacks. An attacker can pass a markdown file to the library that when parsed can cause the system to slowdown and cause a ReDoS.

CPENameOperatorVersion
markedle0.3.6
markedle0.3.6
markedle0.3.2-1
markedle0.3.6
markedle0.3.6
markedle0.3.3

Name	Operator	Version
marked	le	0.3.6
marked	le	0.3.6
marked	le	0.3.2-1
marked	le	0.3.6
marked	le	0.3.6
marked	le	0.3.3

References

github.com/chjj/marked/blob/master/lib/marked.js#L460

github.com/chjj/marked/issues/937

github.com/chjj/marked/pull/945

github.com/chjj/marked/pull/961

nodesecurity.io/advisories/531

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

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

JSON

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