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Ubuntu
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Ubuntu: Dovecot vulnerabilities  28 September 2009 
Posted by Benjamin D. Thomas   
It was discovered that the ACL plugin in Dovecot would incorrectly handle negative access rights. An attacker could exploit this flaw to access the Dovecot server, bypassing the indended access restrictions. This only affected Ubuntu 8.04 LTS. (CVE-2008-4577) It was discovered that the ManageSieve service in Dovecot incorrectly handled ".." in script names. A remote attacker could exploit this to read and modify arbitrary sieve files on the server. This only affected Ubuntu 8.10. (CVE-2008-5301) It was discovered that the Sieve plugin in Dovecot incorrectly handled certain sieve scripts. An authenticated user could exploit this with a crafted sieve script to cause a denial of service or possibly execute arbitrary code. (CVE-2009-2632, CVE-2009-3235)
 
Ubuntu: Newt vulnerability  24 September 2009 
Posted by Benjamin D. Thomas   
Miroslav Lichvar discovered that Newt incorrectly handled rendering in a text box. An attacker could exploit this and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.
 
Ubuntu: WebKit vulnerabilities  23 September 2009 
Posted by Benjamin D. Thomas   
It was discovered that WebKit did not properly handle certain SVGPathList data structures. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0945) Several flaws were discovered in the WebKit browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1687, CVE-2009-1690, CVE-2009-1698, CVE-2009-1711, CVE-2009-1725) It was discovered that WebKit did not prevent the loading of local Java applets. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1712)
 
Ubuntu: FreeRADIUS vulnerability  16 September 2009 
Posted by Benjamin D. Thomas   
It was discovered that FreeRADIUS did not correctly handle certain malformed attributes. A remote attacker could exploit this flaw and cause the FreeRADIUS server to crash, resulting in a denial of service.
 
Ubuntu: OpenSSL vulnerability  14 September 2009 
Posted by Benjamin D. Thomas   
Dan Kaminsky discovered OpenSSL would still accept certificates with MD2 hash signatures. As a result, an attacker could potentially create a malicious trusted certificate to impersonate another site. This update handles this issue by completely disabling MD2 for certificate validation.
 
Ubuntu: OpenEXR vulnerabilities  14 September 2009 
Posted by Benjamin D. Thomas   
Drew Yao discovered several flaws in the way OpenEXR handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1720, CVE-2009-1721) It was discovered that OpenEXR did not properly handle certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-1722)
 
Ubuntu: Dnsmasq vulnerabilities  01 September 2009 
Posted by Benjamin D. Thomas   
IvAin Arce, Pablo HernAin Jorge, Alejandro Pablo Rodriguez, MartA­n Coco, Alberto SoliAto Testa and Pablo Annetta discovered that Dnsmasq did not properly validate its input when processing TFTP requests for files with long names. A remote attacker could cause a denial of service or execute arbitrary code with user privileges.
 
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