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USN-5359-1: rsync vulnerability

31 March 2022

rsync could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • rsync - fast, versatile, remote (and local) file-copying tool

Details

Danilo Ramos discovered that rsync incorrectly handled memory when
performing certain zlib deflating operations. An attacker could use this
issue to cause rsync to crash, resulting in a denial of service, or
possibly execute arbitrary code.

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 20.04
Ubuntu 18.04

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

References

Related notices

  • USN-5355-1: lib32z1-dev, lib32z1, zlib1g-dev, libx32z1-dev, lib64z1, zlib, libx32z1, zlib1g, lib64z1-dev
  • USN-5355-2: lib32z1-dev, lib32z1, zlib1g-dev, zlib-bin, libx32z1-dev, lib64z1, zlib, libx32z1, zlib1g, lib64z1-dev
  • USN-5359-2: rsync
  • USN-5739-1: mariadb-server-core-10.6, mariadb-common, mariadb-server, mariadb-10.6, mariadb-client-10.6, libmariadbd-dev, mariadb-plugin-s3, mariadb-backup, libmariadb-dev-compat, mariadb-plugin-gssapi-client, libmariadbd19, mariadb-server-10.3, mariadb-client-core-10.6, mariadb-plugin-connect, mariadb-plugin-mroonga, mariadb-plugin-cracklib-password-check, mariadb-client-10.3, mariadb-client-core-10.3, libmariadb-dev, libmariadbclient-dev, libmariadb3, mariadb-test, mariadb-plugin-spider, mariadb-test-data, mariadb-10.3, mariadb-server-10.6, mariadb-plugin-tokudb, mariadb-plugin-oqgraph, mariadb-plugin-gssapi-server, mariadb-plugin-rocksdb, mariadb-server-core-10.3, mariadb-client