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Ubuntu 19.10: USN-4305-1 Critical: ICU Arbitrary Code Execution

ubuntu
Calendar Grey March 17, 2020
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4306-1 highlights a critical issue in OpenSSL that could permit unauthorized access through malformed requests. Immediate patches are included.
ICU could be made to execute arbitrary code if it received a specially crafted string.

Summary

ICU could be made to execute arbitrary code if it received a specially crafted

string.

Software Description:

- icu: International Components for Unicode library

Details:

André Bargull discovered that ICU incorrectly handled certain strings.

An attacker could possibly use this issue to execute arbitrary code.

Topics%20covered

Topics Covered

security advisory security issue critical Ubuntu update instructions arbitrary code ICU

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
  libicu63                        63.2-2ubuntu0.1

Ubuntu 18.04 LTS:
  libicu60                        60.2-3ubuntu3.1

Ubuntu 16.04 LTS:
  libicu55                        55.1-7ubuntu0.5

Ubuntu 14.04 ESM:
  libicu52                        52.1-3ubuntu0.8+esm1

Ubuntu 12.04 ESM:
  libicu48                        4.8.1.1-3ubuntu0.10

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4305-1

CVE-2020-10531

Severity
critical
Lowest
Low
Medium
High
Critical

March 17, 2020

Topics%20covered

Topics Covered

security advisory security issue critical Ubuntu update instructions arbitrary code ICU

Package Information

https://launchpad.net/ubuntu/+source/icu/63.2-2ubuntu0.1
https://launchpad.net/ubuntu/+source/icu/60.2-3ubuntu3.1
https://launchpad.net/ubuntu/+source/icu/55.1-7ubuntu0.5

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