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ubuntuUbuntuUSN-5198-1
HistoryDec 16, 2021 - 12:00 a.m.

HTMLDOC vulnerability

2021-12-1600:00:00
ubuntu.com
58

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

53.7%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.04 LTS

Packages

  • htmldoc - HTML processor that generates indexed HTML, PS, and PDF

Details

It was discovered that HTMLDOC improperly handled malformed URIs from an input
html file. An attacker could use this to cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchhtmldoc< 1.9.11-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchhtmldoc-common< 1.9.11-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchhtmldoc< 1.9.7-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchhtmldoc-common< 1.9.7-1ubuntu0.2UNKNOWN

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

53.7%