CVE-2006-4146 Memory corruption in n/a

Medium 5.1 Published 31 Aug 2006 Updated 7 Aug 2024

A buffer overflow in GDB allows attackers to execute arbitrary code by tricking a user into opening a crafted file with malicious debugging information.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2006-4146?

CVE-2006-4146 is a medium-severity memory corruption vulnerability in n/a, published on 31 Aug 2006. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging code in GNU Debugger (GDB) 6.5 allows user-assisted attackers, or restricted users, to execute arbitrary code via a crafted file with a location block (DW_FORM_block) that contains a large number of operations.

Weakness: CWE-119

Which versions are affected by CVE-2006-4146?

It affects 1 product.

Linux distribution packages (16)

`gdb` Red Hat:enterprise_linux:3::as	All versions	`0:6.3.0.0-1.138.el3`
`gdb-debuginfo` Red Hat:enterprise_linux:3::as	All versions	`0:6.3.0.0-1.138.el3`
`gdb` Red Hat:enterprise_linux:3::desktop	All versions	`0:6.3.0.0-1.138.el3`
`gdb-debuginfo` Red Hat:enterprise_linux:3::desktop	All versions	`0:6.3.0.0-1.138.el3`
`gdb` Red Hat:enterprise_linux:3::es	All versions	`0:6.3.0.0-1.138.el3`
`gdb-debuginfo` Red Hat:enterprise_linux:3::es	All versions	`0:6.3.0.0-1.138.el3`
`gdb` Red Hat:enterprise_linux:3::ws	All versions	`0:6.3.0.0-1.138.el3`
`gdb-debuginfo` Red Hat:enterprise_linux:3::ws	All versions	`0:6.3.0.0-1.138.el3`
`gdb` Red Hat:enterprise_linux:4::as	All versions	`0:6.3.0.0-1.143.el4`
`gdb-debuginfo` Red Hat:enterprise_linux:4::as	All versions	`0:6.3.0.0-1.143.el4`
`gdb` Red Hat:enterprise_linux:4::desktop	All versions	`0:6.3.0.0-1.143.el4`
`gdb-debuginfo` Red Hat:enterprise_linux:4::desktop	All versions	`0:6.3.0.0-1.143.el4`
`gdb` Red Hat:enterprise_linux:4::es	All versions	`0:6.3.0.0-1.143.el4`
`gdb-debuginfo` Red Hat:enterprise_linux:4::es	All versions	`0:6.3.0.0-1.143.el4`
`gdb` Red Hat:enterprise_linux:4::ws	All versions	`0:6.3.0.0-1.143.el4`
`gdb-debuginfo` Red Hat:enterprise_linux:4::ws	All versions	`0:6.3.0.0-1.143.el4`

Products include Gnu Gdb.

How do I fix CVE-2006-4146?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2006-4146 being exploited?

There is no known exploitation of CVE-2006-4146 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2006-4146, GHSA-63cf-4m5h-x542, RHSA-2007:0229, RHSA-2007:0469.