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Trusting-Trust Attack against an Entire Linux Distribution (via the strip utility)

Lobsters · securityby arxiv.org via MarkMLl ()1
AI summary · glm-5.3-flashSummaries by Vani AI

ArXiv paper shows the trusting-trust compiler backdoor technique can compromise an entire Linux distribution via the strip utility.

The paper (arXiv 2607.24888) demonstrates that Ken Thompson's trusting-trust attack, long viewed as a compiler-specific threat, can backdoor an entire Linux distribution by targeting the strip utility. A compromised tool reproduces its backdoor in subsequent rebuilds of itself, generalizing the attack surface beyond compilers. The finding has supply-chain implications for build reproducibility and distribution trust, though it is a research result with no observed real-world exploitation.

Key facts
  • Trusting-trust attack shown to apply beyond compilers
  • Backdoor propagation demonstrated via the strip utility
  • Whole-distribution compromise scenario presented
  • Implications for reproducible builds and supply-chain trust
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From the original article

"Ken Thompson's trusting-trust attack, in which a compromised compiler backdoors the programs it builds and reproduces the backdoor in subsequent rebuilds of itself, is widely regarded as a threat specific to compilers. We show that it is not." A few weeks ago I came across this https://www.

Lobsters · security

By arxiv.org via MarkMLl · arxiv.org

Read the full article at Lobsters · security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.