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CVE-2019-16905

Status Candidate

Overview

OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key. This leads to memory corruption and local code execution because of an error in the XMSS key parsing algorithm. NOTE: the XMSS implementation is considered experimental in all released OpenSSH versions, and there is no supported way to enable it when building portable OpenSSH.

Related Files

Gentoo Linux Security Advisory 201911-01
Posted Nov 8, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201911-1 - An integer overflow in OpenSSH might allow an attacker to execute arbitrary code. Versions greater than or equal to 8.0_p1-r2 are affected.

tags | advisory, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2019-16905
SHA-256 | 115ff5b35f7f50020a10f2f6c2b4113e967c92feaf22dc2a4cfb9bbc7a1269b8
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