UBUNTU-CVE-2017-12976

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UBUNTU-CVE-2017-12976

Summary:

Details: git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, as demonstrated by an ssh://-eProxyCommand= URL, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-1000116, and CVE-2017-1000117.

References: https://ubuntu.com/security/CVE-2017-12976, http://source.git-annex.branchable.com/?p=source.git;a=commit;h=df11e54788b254efebb4898b474de11ae8d3b471, http://source.git-annex.branchable.com/?p=source.git;a=commit;h=c24d0f0e8984576654e2be149005bc884fe0403a, http://source.git-annex.branchable.com/?p=source.git;a=blob;f=doc/bugs/dashed_ssh_hostname_security_hole.mdwn, https://www.cve.org/CVERecord?id=CVE-2017-12976