Ubuntu update for icu

1) Double Free

EUVDB-ID: #VU53573

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30535

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within ICU component in Google Chrome. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger a double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package icu to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 21.04

libicu66 (Ubuntu package): before 66.1-2ubuntu2.1

libicu-dev (Ubuntu package): before 67.1-6ubuntu2.1

libicu67 (Ubuntu package): before 67.1-6ubuntu2.1

icu-devtools (Ubuntu package): before 67.1-6ubuntu2.1

External links

http://ubuntu.com/security/notices/USN-5156-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.