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



Ubuntu: 917-1: Puppet vulnerabilities  24 March 2010 
Posted by Benjamin D. Thomas   
It was discovered that Puppet did not drop supplementary groups when beingrun as a different user. A local user may be able to use this flaw tobypass security restrictions and gain access to restricted files.(CVE-2009-3564) [More...]
 
Ubuntu: 918-1: Samba vulnerability  24 March 2010 
Posted by Benjamin D. Thomas   
It was discovered the Samba handled symlinks in an unexpected way when both"wide links" and "UNIX extensions" were enabled, which is the default. Aremote attacker could create symlinks and access arbitrary files from theserver. [More...]
 
Ubuntu: 916-1: Kerberos vulnerabilities  23 March 2010 
Posted by Benjamin D. Thomas   
Emmanuel Bouillon discovered that Kerberos did not correctly handlecertain message types. An unauthenticated remote attacker could sendspecially crafted traffic to cause the KDC to crash, leading to a denialof service. (CVE-2010-0283) [More...]
 
Ubuntu: 914-1: Linux kernel vulnerabilities  16 March 2010 
Posted by Benjamin D. Thomas   
Mathias Krause discovered that the Linux kernel did not correctly handlemissing ELF interpreters. A local attacker could exploit this to cause thesystem to crash, leading to a denial of service. (CVE-2010-0307) [More...]
 
Ubuntu: 912-1: Audio File Library vulnerability  16 March 2010 
Posted by Benjamin D. Thomas   
It was discovered that Audio File Library contained a heap-based bufferoverflow. If a user or automated system processed a crafted WAV file, anattacker could cause a denial of service via application crash, or possiblyexecute arbitrary code with the privileges of the user invoking theprogram. The default compiler options for Ubuntu should reduce this [More...]
 
Ubuntu: 913-1: libpng vulnerabilities  16 March 2010 
Posted by Benjamin D. Thomas   
It was discovered that libpng did not properly initialize memory whendecoding certain 1-bit interlaced images. If a user or automated systemwere tricked into processing crafted PNG images, an attacker could possiblyuse this flaw to read sensitive information stored in memory. This issueonly affected Ubuntu 6.06 LTS, 8.04 LTS, 8.10 and 9.04. (CVE-2009-2042) [More...]
 
Ubuntu: 907-1: gnome-screensaver vulnerabilities  08 March 2010 
Posted by Benjamin D. Thomas   
It was discovered that gnome-screensaver did not correctly lock all screenswhen monitors get hotplugged. An attacker with physical access could usethis flaw to gain access to a locked session. (CVE-2010-0285) [More...]
 
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