CVE-2019-3860
Vulnerability Summary
Timeline
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: 5.12%• Percentile: 92%
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
- alpine•libssh2
≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0 | ≥ 0.3, < 1.8.1-r0
- debian•libssh2
< 1.8.0-2.1 | < 1.8.0-2.1 | < 1.8.0-2.1 | < 1.8.0-2.1
- 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 (14)
- https://www.libssh2.org/CVE-2019-3860.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3860
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://security.netapp.com/advisory/ntap-20190327-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://www.debian.org/security/2019/dsa-4431
- https://seclists.org/bugtraq/2019/Apr/25
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00072.html
- https://lists.debian.org/debian-lts-announce/2019/07/msg00028.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://security-tracker.debian.org/tracker/CVE-2019-3860
- https://security.alpinelinux.org/vuln/CVE-2019-3860