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



Ubuntu: Samba regression  22 May 2007 
Posted by Benjamin D. Thomas   
USN-460-1 fixed several vulnerabilities in Samba. The upstream changes for CVE-2007-2444 had an unexpected side-effect in Feisty. Paul Griffith and Andrew Hogue discovered that Samba did not fully drop root privileges while translating SIDs. A remote authenticated user could issue SMB operations during a small window of opportunity and gain root privileges. (CVE-2007-2444)
 
Ubuntu: pptpd regression  21 May 2007 
Posted by Benjamin D. Thomas   
USN-459-1 fixed vulnerabilities in pptpd. However, a portion of the fix caused a regression in session establishment under Dapper for certain PPTP clients. This update fixes the problem. We apologize for the inconvenience.
 
Ubuntu: Quagga vulnerability  17 May 2007 
Posted by Benjamin D. Thomas   
It was discovered that Quagga did not correctly verify length information sent from configured peers. Remote malicious peers could send a specially crafted UPDATE message which would cause bgpd to abort, leading to a denial of service.
 
Ubuntu: Samba vulnerabilities  15 May 2007 
Posted by Benjamin D. Thomas   
Paul Griffith and Andrew Hogue discovered that Samba did not fully drop root privileges while translating SIDs. A remote authenticated user could issue SMB operations during a small window of opportunity and gain root privileges.
 
Ubuntu: pptpd vulnerability  14 May 2007 
Posted by Benjamin D. Thomas   
A flaw was discovered in the PPTP tunnel server. Remote attackers could send a specially crafted packet and disrupt established PPTP tunnels, leading to a denial of service.
 
Ubuntu: MoinMoin vulnerabilities  08 May 2007 
Posted by Benjamin D. Thomas   
A flaw was discovered in MoinMoin's error reporting when using the AttachFile action. By tricking a user into viewing a crafted MoinMoin URL, an attacker could execute arbitrary JavaScript as the current MoinMoin user, possibly exposing the user's authentication information for the domain where MoinMoin was hosted.
 
Ubuntu: elinks vulnerability  07 May 2007 
Posted by Benjamin D. Thomas   
Arnaud Giersch discovered that elinks incorrectly attempted to load gettext catalogs from a relative path. If a user were tricked into running elinks from a specific directory, a local attacker could execute code with user privileges.
 
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