CVE-2016-6515

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 07 Aug 2016, 00:00
Last modified:06 Aug 2024, 01:29

Vulnerability Summary

Overall Risk (default)
high
57/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
77.09% CRITICAL
77% probability -7.32%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

07 Aug 2016, 00:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:29
Last Modified
Vulnerability information updated

Description

The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 77.09%• Percentile: 99%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • fedoraproject•fedora

    24

  • openbsd•openssh

    ≤ 7.2

References (15)