GLSA 202003-15: ICU: Integer overflow

http://security.gentoo.org/

Severity:	normal
Title:	ICU: Integer overflow
Date:	03/15/2020
Bugs:	#710758
ID:	202003-15

Synopsis

An integer overflow flaw in ICU could possibly allow for the execution of arbitrary code.

Background

ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support for software applications.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/icu	< 65.1-r1	>= 65.1-r1	All supported architectures

Description

It was discovered that ICU’s UnicodeString::doAppend() function is vulnerable to an integer overflow. Please review the CVE identifiers referenced below for more details.

Impact

A remote attacker could entice a user to process a specially crafted string in an application linked against ICU, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All ICU users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/icu-65.1-r1"

References

CVE-2020-10531

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-15.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.