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ubuntuUbuntuUSN-6358-1
HistorySep 12, 2023 - 12:00 a.m.

RedCloth vulnerability

2023-09-1200:00:00
ubuntu.com
25
redcloth
ubuntu
vulnerability
html sanitisation
denial of service
ruby

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

7.6

Confidence

High

EPSS

0.001

Percentile

46.7%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • ruby-redcloth - Textile module for Ruby

Details

It was discovered that RedCloth incorrectly handled certain inputs during
html sanitisation. An attacker could possibly use this issue to cause a
denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchruby-redcloth< 4.3.2-4ubuntu0.23.04.1UNKNOWN
Ubuntu23.04noarchruby-redcloth-dbgsym< 4.3.2-4ubuntu0.23.04.1UNKNOWN
Ubuntu22.04noarchruby-redcloth< 4.3.2-4ubuntu0.22.04.1UNKNOWN
Ubuntu22.04noarchruby-redcloth-dbgsym< 4.3.2-4ubuntu0.22.04.1UNKNOWN
Ubuntu20.04noarchruby-redcloth< 4.3.2-3+deb10u1build0.20.04.1UNKNOWN
Ubuntu20.04noarchruby-redcloth-dbgsym< 4.3.2-3+deb10u1build0.20.04.1UNKNOWN
Ubuntu18.04noarchruby-redcloth< 4.3.2-3ubuntu0.1~esm1UNKNOWN
Ubuntu18.04noarchruby-redcloth< 4.3.2-3build1UNKNOWN
Ubuntu18.04noarchruby-redcloth-dbgsym< 4.3.2-3build1UNKNOWN
Ubuntu16.04noarchruby-redcloth< 4.2.9-5ubuntu0.1~esm1UNKNOWN
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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

7.6

Confidence

High

EPSS

0.001

Percentile

46.7%