It was discovered that tgt attempts to achieve entropy by calling rand without srand. The PRNG seed is always 1, and thus the sequence of challenges is always identical.
{ "availability": "No subscription required", "binaries": [ { "tgt": "1:1.0.79-2ubuntu1.1", "tgt-dbgsym": "1:1.0.79-2ubuntu1.1", "tgt-rbd-dbgsym": "1:1.0.79-2ubuntu1.1", "tgt-rbd": "1:1.0.79-2ubuntu1.1" } ] }