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USN-4-1: Standard C library script vulnerabilities

28 October 2004

Standard C library script vulnerabilities

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Details

Recently, Trustix Secure Linux discovered some vulnerabilities in the
libc6 package. The utilities "catchsegv" and "glibcbug" created
temporary files in an insecure way, which allowed a symlink attack to
create or overwrite arbitrary files with the privileges of the user
invoking the program.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 4.10
  • libc6 -

In general, a standard system update will make all the necessary changes.