ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

BID:2302

Info

ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

Bugtraq ID: 2302
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: No
Published: Jan 29 2001 12:00AM
Updated: Jan 29 2001 12:00AM
Credit: Discovered and documented by Anthony Osborne and John McDonald of the COVERT Labs at PGP Security.
Vulnerable: ISC BIND 8.2.2 p7
ISC BIND 8.2.2 p6
ISC BIND 8.2.2 p5
+ Caldera OpenLinux Desktop 2.3
+ Caldera UnixWare 7.1.1
+ Debian Linux 2.3 sparc
+ Debian Linux 2.3 powerpc
+ Debian Linux 2.3 arm
+ Debian Linux 2.3 alpha
+ Debian Linux 2.3 68k
+ Debian Linux 2.3
+ 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
+ IBM AIX 4.3.3
+ IBM AIX 4.3.2
+ IBM AIX 4.3.1
+ IBM AIX 4.3
+ MandrakeSoft Corporate Server 1.0.1
+ MandrakeSoft Single Network Firewall 7.2
+ Mandriva Linux Mandrake 7.2
+ Mandriva Linux Mandrake 7.1
+ Mandriva Linux Mandrake 7.0
+ Mandriva Linux Mandrake 6.1
+ Mandriva Linux Mandrake 6.0
+ Redhat Linux 7.0 J sparc
+ Redhat Linux 7.0 J i386
+ Redhat Linux 7.0 J alpha
+ Redhat Linux 7.0 sparc
+ Redhat Linux 7.0 i386
+ Redhat Linux 7.0 alpha
+ Redhat Linux 6.2 E sparc
+ Redhat Linux 6.2 E i386
+ Redhat Linux 6.2 E alpha
+ Redhat Linux 6.2 sparc
+ Redhat Linux 6.2 i386
+ Redhat Linux 6.2 alpha
+ Redhat Linux 6.1 sparc
+ Redhat Linux 6.1 i386
+ Redhat Linux 6.1 alpha
+ Redhat Linux 6.0 sparc
+ Redhat Linux 6.0 alpha
+ Redhat Linux 6.0
+ Redhat Linux 5.2 sparc
+ Redhat Linux 5.2 i386
+ Redhat Linux 5.2 alpha
+ SCO eDesktop 2.4
+ SCO eServer 2.3
+ SuSE Linux 6.4 ppc
+ SuSE Linux 6.4 alpha
+ SuSE Linux 6.4
+ SuSE Linux 6.3 alpha
+ SuSE Linux 6.3
+ SuSE Linux 6.2
+ SuSE Linux 6.1 alpha
+ SuSE Linux 6.1
+ SuSE Linux 6.0
+ Trustix Trustix Secure Linux 1.1
+ Trustix Trustix Secure Linux 1.0
ISC BIND 8.2.2 p4
ISC BIND 8.2.2 p3
ISC BIND 8.2.2 p2
ISC BIND 8.2.2 p1
ISC BIND 8.2.2
ISC BIND 8.2.1
ISC BIND 8.2
- Caldera OpenLinux 2.2
- Caldera OpenLinux 1.3
- Caldera UnixWare 7.1.1
- IBM AIX 4.3.3
- IBM AIX 4.3.2
- IBM AIX 4.3.1
- IBM AIX 4.3
- Redhat Linux 6.1 i386
- Redhat Linux 6.0
- Redhat Linux 5.2 i386
- Redhat Linux 5.1
- Redhat Linux 5.0
- Redhat Linux 4.2
- Redhat Linux 4.1
- Redhat Linux 4.0
- Slackware Linux 4.0
Not Vulnerable: ISC BIND 9.1
+ Caldera OpenUnix 8.0
+ HP Secure OS software for Linux 1.0
+ Redhat Linux 7.1 ia64
+ Redhat Linux 7.1 i386
+ Redhat Linux 7.1 alpha
+ Redhat Linux 7.1
+ SuSE Linux 7.1 x86
+ SuSE Linux 7.1 sparc
+ SuSE Linux 7.1 ppc
+ SuSE Linux 7.1 alpha
+ SuSE Linux 7.1
ISC BIND 9.0
+ SuSE Linux 7.0 sparc
+ SuSE Linux 7.0 ppc
+ SuSE Linux 7.0 i386
+ SuSE Linux 7.0 alpha
+ SuSE Linux 7.0
ISC BIND 8.2.3
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Workstation 3.1.1
+ Caldera OpenLinux Workstation 3.1
+ Debian Linux 2.2
+ EnGarde Secure Linux 1.0.1
+ Immunix Immunix OS 7+

Discussion

ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

BIND is a server program that implements the domain name service protocol. It is in extremely wide use on the Internet, in use by most of the DNS servers. Version 8 of BIND contains a overflow that may be exploitable to remote attackers. Due to a bug that is present when handling invalid transaction signatures, it is possible to overwrite some memory locations with a known value. If the request came in via the UDP transport then the area partially overwriten is a stack frame in named. If the request came in via the TCP transport then the area partically overwriten is in the heap and overwrites malloc's internal variables. This can be exploited to execute shellcode with the privileges of named (typically root).

Exploit / POC

ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

Working exploits for this vulnerability have been published.

Solution / Fix

ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

Solution:
The ISC strongly recommends upgrading to BIND version 9.1.0. Links to download the upgrade and various vendor-supplied fixes are available.


ISC BIND 8.2

ISC BIND 8.2.1

ISC BIND 8.2.2 p1

ISC BIND 8.2.2 p3

ISC BIND 8.2.2 p6

ISC BIND 8.2.2

ISC BIND 8.2.2 p2

ISC BIND 8.2.2 p5

ISC BIND 8.2.2 p7

ISC BIND 8.2.2 p4

References

ISC Bind 8 Transaction Signatures Buffer Overflow Vulnerability

References:
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