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ubuntuUbuntuUSN-4837-1
HistoryMar 15, 2021 - 12:00 a.m.

LibSass vulnerabilities

2021-03-1500:00:00
ubuntu.com
15

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.01 Low

EPSS

Percentile

83.1%

Releases

  • Ubuntu 18.04 ESM

Packages

  • libsass - C/C++ port of the Sass CSS precompiler

Details

It was discovered that LibSass incorrectly handled certain specially crafted
sass file. An attacker could possibly use this issue to cause a denial of
service or other unspecified impact.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlibsass0< 3.4.8-1ubuntu0.1~esm1UNKNOWN
Ubuntu18.04noarchlibsass-dev< 3.4.8-1UNKNOWN
Ubuntu18.04noarchlibsass0< 3.4.8-1UNKNOWN
Ubuntu18.04noarchlibsass0-dbg< 3.4.8-1UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.01 Low

EPSS

Percentile

83.1%