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ubuntuUbuntuUSN-4870-1
HistoryMar 15, 2021 - 12:00 a.m.

Bundler vulnerability

2021-03-1500:00:00
ubuntu.com
18

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

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

7.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.3%

Releases

  • Ubuntu 18.04 ESM

Packages

  • bundler - Manage Ruby application dependencies

Details

It was discovered that Bundler incorrectly created directories with
insecure permissions in /tmp. An attacker could write malicious libraries
to this location for later execution.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchruby-bundler< 1.16.1-1ubuntu0.1~esm1UNKNOWN
Ubuntu18.04noarchbundler< 1.16.1-1UNKNOWN
Ubuntu18.04noarchruby-bundler< 1.16.1-1UNKNOWN
Ubuntu18.04noarchbundler< 1.16.1-1ubuntu0.1~esm1UNKNOWN

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

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

7.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.3%