CVE-2011-4089
Published: 29 October 2011
The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.
Notes
Author | Note |
---|---|
tyhicks | I don't believe that YAMA prevents this vulnerability. It is not yet clear what versions are affected. |
mdeslaur | PoC: http://www.exploit-db.com/exploits/18147/ PoC: http://pastebin.com/FaaEsXRW |
Priority
Status
Package | Release | Status |
---|---|---|
bzip2 Launchpad, Ubuntu, Debian |
hardy |
Released
(1.0.4-2ubuntu4.2)
|
lucid |
Released
(1.0.5-4ubuntu0.2)
|
|
maverick |
Released
(1.0.5-4ubuntu1.1)
|
|
natty |
Released
(1.0.5-6ubuntu1.11.04.1)
|
|
oneiric |
Released
(1.0.5-6ubuntu1.11.10.1)
|
|
upstream |
Released
(1.0.6-1)
|
|
Patches: vendor: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862#5 |