Pavel Kankovsky

The issue is related to the Linux kernel's handling of IPv4 socket names. Specifically, the `net/ipv4/af inet.c` file does not properly clear the `sockaddr in.sin zero` field before returning socket names from certain functions. This can allow local users to access potentially sensitive memory contents. The affected functions include `getsockname`, `getpeername`, and `accept`.

The issue is related to the Linux kernel's handling of IPv4 socket names. Specifically, it does not properly clear the `sockaddr in.sin zero` field before returning IPv4 socket names from the `getsockopt` function with `SO ORIGINAL DST`. This allows local users to potentially obtain portions of sensitive memory.

Name of the Vulnerable Software and Affected Versions: Firefox version 1.0.3 Description: The issue allows remote attackers to execute arbitrary Javascript in other domains. This is achieved by using an IFRAME and causing the browser to navigate to a previous javascript: URL, which can lead to arbitrary code execution. Recommendations: For Firefox version 1.0.3, update to a newer version to mitigate the risk.

Name of the Vulnerable Software and Affected Versions: Firefox version 1.0.3 Description: The issue allows remote web sites on the browser's whitelist to execute arbitrary Javascript with chrome privileges. This can lead to arbitrary code execution on the system when combined with other vulnerabilities. The exploitation can be demonstrated using a javascript: URL as the package icon and a cross-site scripting (XSS) attack on a vulnerable whitelist site. Recommendations: For Firefox version 1.0.3, consider restricting access to the `install` function until a patch is available. As a temporary workaround, avoid using the `javascript:` URL scheme for package icons to minimize the risk of exploitation.

The issue involves multiple vulnerabilities in the imlib package, which can lead to disruption of confidentiality, integrity, and availability of protected information. These vulnerabilities can be exploited remotely, potentially allowing attackers to cause a denial of service (application crash) and execute arbitrary code via certain image files.