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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.
 
Ubuntu: Mono vulnerabilities  26 August 2009 
Posted by Benjamin D. Thomas   
It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. (CVE-2009-0217) It was discovered that Mono did not properly escape certain attributes in the ASP.net class libraries which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. This issue only affected Ubuntu 8.04 LTS. (CVE-2008-3422) It was discovered that Mono did not properly filter CRLF injections in the query string. If a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, steal confidential data (such as passwords), or perform cross-site request forgeries. This issue only affected Ubuntu 8.04 LTS. (CVE-2008-3906)
 
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