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Gentoo Linux Security Advisory GLSA 202003-31
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https://security.gentoo.org/
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Severity: Normal
Title: gdb: Buffer overflow
Date: March 15, 2020
Bugs: #690582
ID: 202003-31
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Synopsis
========
A buffer overflow in gdb might allow a remote attacker to cause a
Denial of Service condition.
Background
==========
gdb is the GNU project’s debugger, facilitating the analysis and
debugging of applications. The BFD library provides a uniform method of
accessing a variety of object file formats.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-devel/gdb < 9.1 >= 9.1
Description
===========
It was discovered that gdb didn’t properly validate the ELF section
sizes from input file.
Impact
======
A remote attacker could entice a user to open a specially crafted ELF
binary using gdb, possibly resulting in information disclosure or a
Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All gdb users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-devel/gdb-9.1”
References
==========
[ 1 ] CVE-2019-1010180
https://nvd.nist.gov/vuln/detail/CVE-2019-1010180
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202003-31
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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