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[gentoo-announce] [ GLSA 202009-15 ] libuv: Buffer overflow

Posted on 29 September 2020
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202009-15
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https://security.gentoo.org/
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Severity: Normal
Title: libuv: Buffer overflow
Date: September 29, 2020
Bugs: #742890
ID: 202009-15

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Synopsis
========
A buffer overflow in libuv might allow remote attacker(s) to execute
arbitrary code.

Background
==========
libuv is a multi-platform support library with a focus on asynchronous
I/O.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/libuv < 1.39.0 >= 1.39.0

Description
===========
libuv used an incorrect buffer size for paths, causing a buffer
overflow.

Impact
======
A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All libuv users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libuv-1.39.0"

References
==========
[ 1 ] CVE-2020-8252
https://nvd.nist.gov/vuln/detail/CVE-2020-8252

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202009-15

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.

License
=======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5


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