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Ubuntu
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To browse through our weekly Linux Advisory Watch newsletters, click here.



Ubuntu: 983-1: Sudo vulnerability  07 September 2010 
Posted by Benjamin D. Thomas   
Markus Wuethrich discovered that sudo did not always verify the user when agroup was specified in the Runas_Spec. A local attacker could exploit thisto execute arbitrary code as root if sudo was configured to allow theattacker to use a program as a group when the attacker was not a part ofthat group. [More...]
 
Ubuntu: 982-1: Wget vulnerability  02 September 2010 
Posted by Benjamin D. Thomas   
It was discovered that Wget would use filenames provided by the server whenfollowing 3xx redirects. If a user or automated system were tricked intodownloading a file from a malicious site, a remote attacker could createthe file with an arbitrary name (e.g. .wgetrc), and possibly run arbitrarycode. [More...]
 
Ubuntu: 981-1: libwww-perl vulnerability  31 August 2010 
Posted by Benjamin D. Thomas   
It was discovered that libwww-perl incorrectly filtered filenames suggestedby Content-Disposition headers. If a user were tricked into downloading afile from a malicious site, a remote attacker could overwrite hidden filesin the user's directory. [More...]
 
Ubuntu: 979-1: okular vulnerability  26 August 2010 
Posted by Benjamin D. Thomas   
Stefan Cornelius of Secunia Research discovered a boundary error duringRLE decompression in the "TranscribePalmImageToJPEG()" function ingenerators/plucker/inplug/image.cpp of okular when processing imagesembedded in PDB files, which can be exploited to cause a heap-basedbuffer overflow. (CVE-2010-2575) [More...]
 
Ubuntu: 977-1: MoinMoin vulnerabilities  25 August 2010 
Posted by Benjamin D. Thomas   
It was discovered that MoinMoin did not properly sanitize its input,resulting in cross-site scripting (XSS) vulnerabilities. With cross-sitescripting vulnerabilities, if a user were tricked into viewing serveroutput during a crafted server request, a remote attacker could exploitthis to modify the contents, or steal confidential data, within the same [More...]
 
Ubuntu: 976-1: Tomcat vulnerability  25 August 2010 
Posted by Benjamin D. Thomas   
It was discovered that Tomcat incorrectly handled invalid Transfer-Encodingheaders. A remote attacker could send specially crafted requests containinginvalid headers to the server and cause a denial of service, or possiblyobtain sensitive information from other requests. [More...]
 
Ubuntu: 974-1: Linux kernel vulnerabilities  19 August 2010 
Posted by Benjamin D. Thomas   
Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memorymanager did not properly handle when applications grow stacks into adjacentmemory regions. A local attacker could exploit this to gain control ofcertain applications, potentially leading to privilege escalation, asdemonstrated in attacks against the X server. (CVE-2010-2240) [More...]
 
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