[ GLSA 202003-31 ] gdb

[GLSA]

Gentoo Linux Security Advisory

Title: gdb: Buffer overflow (GLSA 202003-31)
Severity: normal
Exploitable: local, remote
Date: 2020-03-15
Bug(s): #690582
ID: 202003-31

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: sys-devel/gdb
Vulnerable: < 9.1
Unaffected: >= 9.1
Architectures: All supported architectures


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: