CVE-2017-12976

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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://source.git-annex.branchable.com/?p=source.git;a=commit;h=df11e54788b254efebb4898b474de11ae8d3b471	Third Party Advisory
http://source.git-annex.branchable.com/?p=source.git;a=commit;h=c24d0f0e8984576654e2be149005bc884fe0403a	Third Party Advisory
http://source.git-annex.branchable.com/?p=source.git;a=blob;f=doc/bugs/dashed_ssh_hostname_security_hole.mdwn	Third Party Advisory
http://www.debian.org/security/2017/dsa-4010
https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:git-annex_project:git-annex:*:*:*:*:*:*:*:*

Information

Published : 2017-08-20 13:29

Updated : 2018-09-06 03:29

NVD link : CVE-2017-12976

Mitre link : CVE-2017-12976

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

git-annex_project

git-annex

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