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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.

Learn more about Ubuntu Pro

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