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AUSCERT External Security Bulletin Redistribution
ESB-2023.3830
ruby-redcloth security update
7 July 2023
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AusCERT Security Bulletin Summary
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Product: ruby-redcloth
Publisher: Debian
Operating System: Debian GNU/Linux
Resolution: Patch/Upgrade
CVE Names: CVE-2023-31606
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html
Comment: CVSS (Max): 7.5 CVE-2023-31606 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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Debian LTS Advisory DLA-3480-1 [email protected]
https://www.debian.org/lts/security/ Bastien Roucariès
July 06, 2023 https://wiki.debian.org/LTS
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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
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