Acon HOME buffer overflow
| acon-home-bo (41915) |
Description:
Acon is vulnerable to multiple stack-based buffer overflows, caused by improper bounds checking by acon.c, menu.c, and child.c. By sending an overly large $HOME variable or terminal columns number, a local attacker could overflow a buffer and execute arbitrary code on the system with root privileges.
Platforms Affected:
- Ahmed Abdel-Hamid Mohamed, Acon 1.0.5-5
- Ahmed Abdel-Hamid Mohamed, Acon 1.0.5-6
- Ahmed Abdel-Hamid Mohamed, Acon 1.0.5-7
Remedy:
No remedy available as of August 30, 2008.
Consequences:
Gain Privileges
References:
- Acon Web page, Acon at http://members.tripod.com/ahmedahamid/arabic/arabic.html#Acon.
- Debian Bug report logs - #475733, acon: local root exploit at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=475733.
- Debian Bug report logs - #476603, acon: multiple buffer overflows at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=476603.
- BID-28862: Acon Multiple Local Buffer Overflow Vulnerabilities
- CVE-2008-1994: Multiple stack-based buffer overflows in (a) acon.c, (b) menu.c, and (c) child.c in Acon 1.0.5-5 through 1.0.5-7 allow local users to execute arbitrary code via (1) a long HOME environment variable or (2) a large number of terminal columns.
- SA29909: Acon Multiple Buffer Overflow Vulnerabilities
Reported:
Apr 12, 2008
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net
