Gentoo: GLSA-202103-18 Normal: libc Buffer Overflow Vulnerability Detection
gentoo
March 15, 2020
A buffer overflow in gdb might allow a remote attacker to cause a Denial of Service condition.
Summary
It was discovered that gdb didn't properly validate the ELF section sizes from input file.
Topics Covered
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
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: gdb: Buffer overflow
Date: March 15, 2020
Bugs: #690582
ID: 202003-31
Topics Covered
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.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-devel/gdb < 9.1 >= 9.1
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.
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