USN-4305-1: ICU vulnerability

Published Mar 17, 2020
·
Updated

André Bargull discovered that ICU incorrectly handled certain strings. An attacker could possibly use this issue to execute arbitrary code.

Affected Software

11 affected componentsFixes available
ICU ICU
All of the following
ubuntu/libicu63<63.2-2ubuntu0.1
63.2-2ubuntu0.1
Ubuntu Ubuntu=19.10
All of the following
ubuntu/libicu60<60.2-3ubuntu3.1
60.2-3ubuntu3.1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libicu55<55.1-7ubuntu0.5
55.1-7ubuntu0.5
Ubuntu Ubuntu=16.04
All of the following
ubuntu/libicu52<52.1-3ubuntu0.8+esm1
52.1-3ubuntu0.8+esm1
Ubuntu Ubuntu=14.04
All of the following
ubuntu/libicu48<4.8.1.1-3ubuntu0.10
4.8.1.1-3ubuntu0.10
Ubuntu Ubuntu=12.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/libicu63 to a version that resolves this vulnerability.

    Fixed in 63.2-2ubuntu0.1
  2. Upgrade

    Upgrade ubuntu/libicu60 to a version that resolves this vulnerability.

    Fixed in 60.2-3ubuntu3.1
  3. Upgrade

    Upgrade ubuntu/libicu55 to a version that resolves this vulnerability.

    Fixed in 55.1-7ubuntu0.5
  4. Upgrade

    Upgrade ubuntu/libicu52 to a version that resolves this vulnerability.

    Fixed in 52.1-3ubuntu0.8+esm1
  5. Upgrade

    Upgrade ubuntu/libicu48 to a version that resolves this vulnerability.

    Fixed in 4.8.1.1-3ubuntu0.10

Event History

Mar 17, 2020
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID of USN-4305-1?

USN-4305-1 is the vulnerability ID for the ICU vulnerability.

2

Who discovered the ICU vulnerability?

André Bargull discovered the ICU vulnerability.

3

What is the impact of the ICU vulnerability?

The ICU vulnerability could allow an attacker to execute arbitrary code.

4

Which versions of Ubuntu are affected by the ICU vulnerability?

The ICU vulnerability affects Ubuntu versions 19.10, 18.04, 16.04, 14.04, and 12.04.

5

How can I fix the ICU vulnerability?

To fix the ICU vulnerability, update the libicu package to the recommended remedy version.

Contact

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