CVE-2019-3860

Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 25 Mar 2019, 18:30
Last modified:04 Aug 2024, 19:19

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
v3.0 (nvd)
EPSS Score
0.97% LOW
1% probability +0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Mar 2019, 18:30
Published
Vulnerability first disclosed
04 Aug 2024, 19:19
Last Modified
Vulnerability information updated

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  • v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • v2.0•MEDIUM•Score: 6.4AV:N/AC:L/Au:N/C:P/I:N/A:P

EPSS Trends

Current EPSS score: 0.97%• Percentile: 77%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•debian_linux

    8.0

  • libssh2•libssh2

    ≥ 0.3, ≤ 1.8.0

  • netapp•ontap_select_deploy_administration_utility

    na

  • opensuse•leap

    15.0 | 42.3

  • the libssh2 project•libssh2

    1.8.1

References (12)