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githubGitHub Advisory DatabaseGHSA-XFHP-GMH8-R8V2
HistoryMar 19, 2021 - 9:22 p.m.

printf vulnerable to Regular Expression Denial of Service (ReDoS)

2021-03-1921:22:10
CWE-400
GitHub Advisory Database
github.com
45
printf package
vulnerable
redos
regular expression denial of service
regex
lib/printf.js
cubic worst-case time complexity

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.4%

JSON

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string

/\%(?:\(([\w_.]+)\)|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g

in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity.

Affected configurations

Vulners
Node
printfRange<0.6.1
VendorProductVersionCPE
*printf*cpe:2.3:a:*:printf:*:*:*:*:*:*:*:*

Related

cvelist 1
osv 2
prion 1
veracode 1
cve 1
nvd 1
cvelist
cvelist
CVE-2021-23354 Regular Expression Denial of Service (ReDoS)
2021-03-12 15:10:16
osv
osv
printf vulnerable to Regular Expression Denial of Service (ReDoS)
2021-03-19 21:22:10
CVE-2021-23354
2021-03-12 15:15:14
prion
prion
Design/Logic Flaw
2021-03-12 15:15:00
veracode
veracode
Regular Expression Denial Of Service (ReDoS)
2021-03-15 09:49:54
cve
cve
CVE-2021-23354
2021-03-12 15:15:14
nvd
nvd
CVE-2021-23354
2021-03-12 15:15:14

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.4%

JSON
Related for GHSA-XFHP-GMH8-R8V2
cvelist1osv2prion1veracode1cve1nvd1