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Gentoo: GLSA-202303-18 Moderate: ICU Buffer Overflow Vulnerability

gentoo
Calendar Grey March 14, 2020
Dist Gentoo Esm H88
The Gentoo Linux Security Advisory GLSA 202103-13 outlines a critical buffer overflow vulnerability in the OpenSSL library, potentially leading to arbitrary code execution.
An integer overflow flaw in ICU could possibly allow for the execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution threat integer overflow normal ICU

Resolution

All ICU users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/icu-65.1-r1"

References

[ 1 ] CVE-2020-10531 https://nvd.nist.gov/vuln/detail/CVE-2020-10531

Availability

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

Severity
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Critical

Severity: Normal
Title: ICU: Integer overflow
Date: March 15, 2020
Bugs: #710758
ID: 202003-15

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution threat integer overflow normal ICU

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/icu < 65.1-r1 >= 65.1-r1

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.

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