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githubGitHub Advisory DatabaseGHSA-8CV5-P934-3HWP
HistoryDec 08, 2020 - 9:42 p.m.

Denial of service in fast-csv

2020-12-0821:42:53
CWE-400
GitHub Advisory Database
github.com
29

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.008 Low

EPSS

Percentile

81.9%

JSON

Impact

Possible ReDoS (Regular Expression Denial of Service) when using ignoreEmpty option when parsing.

Patches

This has been patched in v4.3.6

Workarounds

You will only be affected by this if you use the ignoreEmpty parsing option. If you do use this option it is recommended that you upgrade to the latest version v4.3.6

References

This vulnerability was found using a CodeQL query which identified EMPTY_ROW_REGEXP regular expression as vulnerable.
Link to query run.

For more information

If you have any questions or comments about this advisory:

Affected configurations

Vulners
Node
fast-csvparseRange<4.3.6
OR
fastcsvRange<4.3.6
CPENameOperatorVersion
@fast-csv/parselt4.3.6
fast-csvlt4.3.6

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2020-12-08 21:50:38
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2020-12-08 22:15:00

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.008 Low

EPSS

Percentile

81.9%

JSON
Related for GHSA-8CV5-P934-3HWP
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