USN-6275-1: Cargo vulnerability

3 August 2023

Cargo could be made to run programs as your login if it installed a specially crafted crate.

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Releases

Packages

  • cargo - Rust package manager
  • rust-cargo - Rust package manager - feature "openssl"

Details

Addison Crump discovered that Cargo incorrectly set file permissions
on UNIX-like systems when extracting crate archives. If the crate would
contain files writable by any user, a local attacker could possibly use
this issue to execute code as another user.

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.

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Update instructions

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

Ubuntu 22.04
Ubuntu 20.04
  • cargo - 0.67.1+ds0ubuntu0.libgit2-0ubuntu0.20.04.2+esm1
    Available with Ubuntu Pro
Ubuntu 18.04
  • cargo - 0.66.0+ds0ubuntu0.libgit2-0ubuntu0.18.04.1~esm1
    Available with Ubuntu Pro
Ubuntu 16.04

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

References

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Further reading