tcpdump AFS ACL Packet Buffer Overflow Vulnerability

BID:1870

Info

tcpdump AFS ACL Packet Buffer Overflow Vulnerability

Bugtraq ID: 1870
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: No
Published: Oct 31 2000 12:00AM
Updated: Oct 31 2000 12:00AM
Credit: First published in FreeBSD Advisory FreeBSD-SA-00:61posted to Bugtraq on Oct 31, 2000.
Vulnerable: LBL tcpdump 3.5 alpha
LBL tcpdump 3.5
+ FreeBSD FreeBSD 4.1.1
+ FreeBSD FreeBSD 4.1
+ FreeBSD FreeBSD 4.0
+ FreeBSD FreeBSD 3.x
 + SuSE Linux 8.0
+ SuSE Linux 7.3
LBL tcpdump 3.4 a6
+ Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
+ S.u.S.E. Firewall Adminhost VPN
+ S.u.S.E. Linux Admin-CD for Firewall
+ S.u.S.E. Linux Connectivity Server
+ S.u.S.E. Linux Database Server 0
 + S.u.S.E. Linux Enterprise Server for S/390
+ S.u.S.E. Linux Live-CD for Firewall
+ S.u.S.E. SuSE eMail Server III
+ SuSE Linux 7.2
+ SuSE Linux 7.1
+ SuSE Linux 7.0
+ SuSE Linux 6.4
+ SuSE SUSE Linux Enterprise Server 7
 LBL tcpdump 3.4
+ Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 + Redhat Linux 6.2 sparc
 + Redhat Linux 6.2 i386
 + Redhat Linux 6.2 alpha
Not Vulnerable:

Exploit / POC

tcpdump AFS ACL Packet Buffer Overflow Vulnerability

Zhodiac <[email protected]> has made this exploit available:

Solution / Fix

tcpdump AFS ACL Packet Buffer Overflow Vulnerability

Solution:
Debian has provided several patches. See the advisory for more information on installation.

The FreeBSD advisory regarding this vulnerability (FreeBSD-SA-00:61) offered the following possible solutions:

1) Upgrade your vulnerable FreeBSD system to 4.1.1-STABLE or
3.5.1-STABLE after the respective correction dates.

2a) FreeBSD 3.x systems prior to the correction date

Download the patch and the detached PGP signature from the following
locations, and verify the signature using your PGP utility.

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00:61/tcpdump-3.x.patch
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00:61/tcpdump-3.x.patch.asc

# cd /usr/src/contrib/tcpdump
# patch -p < /path/to/patch
# cd /usr/src/usr.sbin/tcpdump
# make depend && make all install

2b) FreeBSD 4.x systems prior to the correction date

Download the patch and the detached PGP signature from the following
locations, and verify the signature using your PGP utility.

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00:61/tcpdump-4.x.patch.v1.1
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00:61/tcpdump-4.x.patch.v1.1.asc

# cd /usr/src/contrib/tcpdump
# patch -p < /path/to/patch
# cd /usr/src/usr.sbin/tcpdump
# make depend && make all install


LBL tcpdump 3.4 a6

LBL tcpdump 3.4

LBL tcpdump 3.5
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