Incorrect Authorization

Affecting openssh package, versions <1:7.4p1-10+deb9u5

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Overview

In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.

References

CVSS Score

5.3
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVE
CVE-2018-20685
CWE
CWE-863
Snyk ID
SNYK-DEBIAN9-OPENSSH-368598
Disclosed
10 Jan, 2019
Published
10 Jan, 2019