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HistoryJul 06, 2023 - 10:09 p.m.

[SECURITY] [DLA 3480-1] ruby-redcloth security update

2023-07-0622:09:03
lists.debian.org
3
cve-2023-31606
redos vulnerability
ruby-redcloth
denial of service
debian 10 buster
security update

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

0.001

Percentile

46.7%


Debian LTS Advisory DLA-3480-1 [email protected]
https://www.debian.org/lts/security/ Bastien Roucariès
July 06, 2023 https://wiki.debian.org/LTS


Package : ruby-redcloth
Version : 4.3.2-3+deb10u1
CVE ID : CVE-2023-31606
Debian Bug : 1040488

A Regular Expression Denial of Service (ReDoS) issue
was discovered in the sanitize_html function of redcloth gem.
This vulnerability allows attackers to cause a Denial of Service (DoS)
via supplying a crafted payload.

For Debian 10 buster, this problem has been fixed in version
4.3.2-3+deb10u1.

We recommend that you upgrade your ruby-redcloth packages.

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

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

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

0.001

Percentile

46.7%