GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

BID:21462

Info

GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

Bugtraq ID: 21462
Class: Design Error
CVE: CVE-2006-6235
Remote: Yes
Local: No
Published: Dec 06 2006 12:00AM
Updated: Mar 19 2015 09:33AM
Credit: Tavis Ormandy is credited with the discovery of this issue.
Vulnerable: Ubuntu Ubuntu Linux 5.10 sparc
Ubuntu Ubuntu Linux 5.10 powerpc
Ubuntu Ubuntu Linux 5.10 i386
Ubuntu Ubuntu Linux 5.10 amd64
Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Trustix Secure Linux 3.0
Trustix Secure Linux 2.2
Trustix Operating System Enterprise Server 2.0
SuSE SUSE Linux Enterprise Server 8
+ Linux kernel 2.4.21
+ Linux kernel 2.4.19
Slackware Linux 10.2
Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 11.0
SGI Advanced Linux Environment 3.0
S.u.S.E. UnitedLinux 1.0
S.u.S.E. SuSE Linux Standard Server 8.0
S.u.S.E. SuSE Linux School Server for i386
S.u.S.E. SUSE LINUX Retail Solution 8.0
S.u.S.E. SuSE Linux Openexchange Server 4.0
S.u.S.E. Open-Enterprise-Server 0
S.u.S.E. Novell Linux Desktop 9.0
S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 9.3 x86_64
S.u.S.E. Linux Professional 9.3
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.3 x86_64
S.u.S.E. Linux Personal 9.3
S.u.S.E. Linux Personal 10.1
S.u.S.E. Linux Desktop 1.0
rPath rPath Linux 1
RedHat Enterprise Linux WS 4
RedHat Enterprise Linux WS 3
RedHat Enterprise Linux WS 2.1 IA64
RedHat Enterprise Linux WS 2.1
RedHat Enterprise Linux ES 4
RedHat Enterprise Linux ES 3
RedHat Enterprise Linux ES 2.1 IA64
RedHat Enterprise Linux ES 2.1
RedHat Desktop 4.0
RedHat Desktop 3.0
RedHat Advanced Workstation for the Itanium Processor 2.1 IA64
RedHat Advanced Workstation for the Itanium Processor 2.1
Red Hat Fedora Core6
Red Hat Fedora Core5
Red Hat Enterprise Linux AS 4
Red Hat Enterprise Linux AS 3
Red Hat Enterprise Linux AS 2.1 IA64
Red Hat Enterprise Linux AS 2.1
OpenPKG OpenPKG Stable
OpenPKG OpenPKG E1.0-Solid
OpenPKG OpenPKG Current
OpenPKG OpenPKG 2-Stable-20061018
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
Mandriva Linux Mandrake 2007.0 x86_64
Mandriva Linux Mandrake 2007.0
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 4.0
IPCop IPCop 1.4.12
IPCop IPCop 1.4.11
IPCop IPCop 1.4.10
Gpg4win Gpg4win 1.0.7
Gpg4win Gpg4win 1.0.6
Gpg4win Gpg4win 1.0.5
Gpg4win Gpg4win 1.0.4
Gpg4win Gpg4win 1.0.3
Gpg4win Gpg4win 1.0.2
Gpg4win Gpg4win 1.0.1
Gpg4win Gpg4win 1.0
GNU GNU Privacy Guard 2.0.1
GNU GNU Privacy Guard 2.0
GNU GNU Privacy Guard 1.9.22
GNU GNU Privacy Guard 1.9.21
GNU GNU Privacy Guard 1.9.20
GNU GNU Privacy Guard 1.9.18
GNU GNU Privacy Guard 1.9.15
GNU GNU Privacy Guard 1.9.14
GNU GNU Privacy Guard 1.9.10
GNU GNU Privacy Guard 1.4.5
GNU GNU Privacy Guard 1.4.4
GNU GNU Privacy Guard 1.4.3
GNU GNU Privacy Guard 1.4.2 2
GNU GNU Privacy Guard 1.4.2 .1
GNU GNU Privacy Guard 1.4.2
GNU GNU Privacy Guard 1.4.1
GNU GNU Privacy Guard 1.4
GNU GNU Privacy Guard 1.3.4
GNU GNU Privacy Guard 1.3.3
GNU GNU Privacy Guard 1.2.7
GNU GNU Privacy Guard 1.2.6
GNU GNU Privacy Guard 1.2.5
GNU GNU Privacy Guard 1.2.4
GNU GNU Privacy Guard 1.2.3
GNU GNU Privacy Guard 1.2.2 -rc1
+ S.u.S.E. Linux Personal 8.2
GNU GNU Privacy Guard 1.2.2 -r1
GNU GNU Privacy Guard 1.2.2
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Workstation 3.1.1
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
GNU GNU Privacy Guard 1.2.1
GNU GNU Privacy Guard 1.2
GNU GNU Privacy Guard 1.0.7
GNU GNU Privacy Guard 1.0.6
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
GNU GNU Privacy Guard 1.0.5
- Caldera OpenLinux 2.4
- Caldera OpenLinux 2.3
- Caldera OpenLinux eBuilder 3.0
- Conectiva Linux 6.0
- Conectiva Linux 5.1
- Conectiva Linux 5.0
- Conectiva Linux 4.2
- Conectiva Linux 4.1
- Conectiva Linux 4.0 es
 - Conectiva Linux 4.0
- Conectiva Linux graficas
 - Conectiva Linux ecommerce
 - Debian Linux 2.2 sparc
 - Debian Linux 2.2 powerpc
 - Debian Linux 2.2 arm
 - Debian Linux 2.2 alpha
 - Debian Linux 2.2 68k
 - Debian Linux 2.2
- Immunix Immunix OS 7.0 beta
 - Immunix Immunix OS 7.0
- Immunix Immunix OS 6.2
- MandrakeSoft Corporate Server 1.0.1
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
 - Mandriva Linux Mandrake 8.0
- Mandriva Linux Mandrake 7.2
- Mandriva Linux Mandrake 7.1
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows ME
- Red Hat Linux 6.2
 - RedHat Linux 7.1 i386
 - RedHat Linux 7.1
- RedHat Linux 7.0 i386
 - RedHat Linux 7.0 alpha
 - RedHat Linux 7.0
- RedHat Linux 6.2 sparc
 - RedHat Linux 6.2 i386
 - RedHat Linux 6.2 alpha
 - S.u.S.E. Linux 7.1
- S.u.S.E. Linux 7.0
- S.u.S.E. Linux 6.4
- S.u.S.E. Linux 6.3
- Trustix Secure Linux 1.2
- Trustix Secure Linux 1.1
GNU GNU Privacy Guard 1.0.4
GNU GNU Privacy Guard 1.0.3 b
GNU GNU Privacy Guard 1.0.3
GNU GNU Privacy Guard 1.0.2
GNU GNU Privacy Guard 1.0.1
GNU GNU Privacy Guard 1.0 .6
- MandrakeSoft Corporate Server 1.0.1
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
 - Mandriva Linux Mandrake 8.0
- Mandriva Linux Mandrake 7.2
- Mandriva Linux Mandrake 7.1
GNU GNU Privacy Guard 1.0
Gentoo Linux
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Avaya SES 2.0
Avaya S8710 CM 3.1
Avaya S8710 CM 2.0
Avaya S8700 CM 3.1
Avaya S8700 CM 2.0
Avaya S8500 CM 3.1
Avaya S8500 CM 2.0
Avaya S8300 CM 3.1
Avaya S8300 CM 2.0
Avaya Messaging Storage Server
Avaya Message Networking
Avaya Intuity LX
Avaya EMMC 0
Avaya CCS 3.0
Avaya CCS 2.0
Avaya Aura SIP Enablement Services 3.0
Not Vulnerable: IPCop IPCop 1.4.13
Gpg4win Gpg4win 1.0.8
GNU GNU Privacy Guard 2.0.2
GNU GNU Privacy Guard 1.4.6

Discussion

GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

GnuPG is prone to a vulnerability that could permit an attacker to overwrite a function pointer.

This issue occurs because of a design error when dealing with OpenPGP packets. Attackers may exploit this issue to execute arbitrary code.

Successful exploits may result in the remote compromise of computers using the vulnerable application.

Exploit / POC

GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

Solution:
To address this issue, the vendor has released version 1.4.6 of GnuPG and 1.0.8 of Gpg4win. Patches for 2.0.1 and 1.4.5 are also available. Version 2.0.2 of GnuPG will also address this issue when it is released.

Please see the referenced advisories for more information.
[email protected]


Gpg4win Gpg4win 1.0.1

Gpg4win Gpg4win 1.0.2

Gpg4win Gpg4win 1.0.5

GNU GNU Privacy Guard 1.0.6

Gpg4win Gpg4win 1.0.7

GNU GNU Privacy Guard 1.2.6

GNU GNU Privacy Guard 1.4

GNU GNU Privacy Guard 1.4.1

IPCop IPCop 1.4.12

GNU GNU Privacy Guard 1.4.4

GNU GNU Privacy Guard 1.4.5

GNU GNU Privacy Guard 1.9.18

GNU GNU Privacy Guard 1.9.22

References

GnuPG OpenPGP Packet Processing Function Pointer Overwrite Vulnerability

References:
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