BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

BID:7100

Info

BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

Bugtraq ID: 7100
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: No
Published: Mar 14 2003 12:00AM
Updated: Mar 14 2003 12:00AM
Credit: The discovery of this vulnerability has been credited to Timo Sirainen <[email protected]>.
Vulnerable: BitchX IRC Client 1.0 c19
+ Slackware Linux 9.0
+ Slackware Linux 8.1
BitchX IRC Client 1.0 c18
BitchX IRC Client 1.0 c16
Not Vulnerable:

Discussion

BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

BitchX has been reported prone to a buffer overflow vulnerability. Reportedly, under certain circumstances, when an excessive amount of data is supplied to a specific BitchX function an internal memory buffer is overflowed. This action may cause adjacent memory to be corrupted with attacker-supplied values. This issue could be leveraged to execute arbitrary commands within the vulnerable client.

This vulnerability was reported to affect BitchX 1.0c19 earlier versions may also be affected.

Exploit / POC

BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

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

Solution / Fix

BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

Solution:
Slackware has released an advisory (SSA:2003-141-02) and fixes. Information about obtaining and applying fixes are available in the referenced advisory.

Debian has released an advisory (DSA 306-1). Information about obtaining and applying fixes are available in the referenced advisory.

Gentoo has released bitchx-1.0.19-r5 which addresses this issue. Users are advised to upgrade by performing the following commands:

emerge sync
emerge bitchx
emerge clean

Conectiva has released an advisory (CLA-2003:655) and fixes for this issue. Links to fixed packages can be found in the attached advisory. Alternatively, users can use the apt tool:

apt-get update
apt-get upgrade

An unofficial and untested patch has been released by [email protected].

It has been reported that these issues have been addressed in the current cvs tree.


BitchX IRC Client 1.0 c19

BitchX IRC Client 1.0 c18

BitchX IRC Client 1.0 c16

References

BitchX Remote BX_compress_modes() Buffer Overflow Vulnerability

References:

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