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Debian Security Advisory DSA 4280-1 (openssh - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

Summary

Dariusz Tytko, Michal Sajdak and Qualys Security discovered that OpenSSH, an implementation of the SSH protocol suite, was prone to a user enumeration vulnerability. This would allow a remote attacker to check whether a specific user account existed on the target server.

Affected Software

Affected Software

openssh on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the stable distribution (stretch), this problem has been fixed in version 1:7.4p1-10+deb9u4. We recommend that you upgrade your openssh packages. For the detailed security status of openssh please refer to its security tracker page linked in the references.

Common Vulnerabilities and Exposures (CVE)