On January 22, 2019, local time, security researcher Max Justicz announced his discovery of a remote code execution (RCE) vulnerability in Linux apt/apt-get. This vulnerability stems from the APT’s failure to properly handle certain parameters involved in HTTP redirects. It can be triggered via a man-in-the-middle attack or a malicious package mirror, resulting in remote code execution.
For details, please click the following link:
- APT version < 1.4.9
- APT version 1.4.9
APT has released version 1.4.9 to fix the preceding vulnerability.
- Debian users can refer to the following link for the upgrade:
- Ubuntu users can refer to the following link for the upgrade:
For the security of the system, users are advised to disable HTTP redirect during the upgrade by running the following commands:
$ sudo apt update -o Acquire::http::AllowRedirect=false$ sudo apt upgrade -o Acquire::http::AllowRedirect=false
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