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HistoryMar 03, 2023 - 10:50 a.m.

[SECURITY] [DLA 3350-1] node-css-what security update

2023-03-0310:50:07
lists.debian.org
4
node-css-what
regular expression
denial of service
security update
debian 10 buster

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

AI Score

6.3

Confidence

High

EPSS

0.002

Percentile

55.5%


Debian LTS Advisory DLA-3350-1 [email protected]
https://www.debian.org/lts/security/ Bastien Roucaries
March 03, 2023 https://wiki.debian.org/LTS


Package : node-css-what
Version : 2.1.0-1
CVE ID : CVE-2022-21222 CVE-2021-33587
Debian Bug : #1032188

node-css-what was vulnerable to Regular Expression Denial of Service
(ReDoS) due to the usage of insecure regular expression in the
re_attr variable.
The exploitation of this vulnerability could be triggered
via the parse function.

For Debian 10 buster, this problem has been fixed in version
2.1.0-1+deb10u1.

We recommend that you upgrade your node-css-what packages.

For the detailed security status of node-css-what please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/node-css-what

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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

AI Score

6.3

Confidence

High

EPSS

0.002

Percentile

55.5%