UBUNTU-CVE-2019-12760

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UBUNTU-CVE-2019-12760

Summary:

Details: ** DISPUTED ** A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. NOTE: This is disputed because "the cache directory is not under control of the attacker in any common configuration."

References: https://ubuntu.com/security/CVE-2019-12760, https://gist.github.com/dhondta/f71ae7e5c4234f8edfd2f12503a5dcc7, https://www.cve.org/CVERecord?id=CVE-2019-12760