Vulnerability Details : CVE-2019-3860
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-3860
Probability of exploitation activity in the next 30 days: 4.63%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-3860
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST |
|
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
|
5.0
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L |
1.6
|
3.4
|
Red Hat, Inc. |
CWE ids for CVE-2019-3860
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2019-3860
-
https://security.netapp.com/advisory/ntap-20190327-0005/
March 2019 Libssh2 Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
[security-announce] openSUSE-SU-2019:1109-1: moderate: Security update fThird Party Advisory
-
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Page not found | Oracle
-
https://www.debian.org/security/2019/dsa-4431
Debian -- Security Information -- DSA-4431-1 libssh2
-
https://seclists.org/bugtraq/2019/Apr/25
Bugtraq: [SECURITY] [DSA 4431-1] libssh2 security update
-
https://www.libssh2.org/CVE-2019-3860.html
libssh2 Security Advisory: CVE-2019-3860Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
[SECURITY] [DLA 1730-1] libssh2 security updateThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
[security-announce] openSUSE-SU-2019:1075-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
[SECURITY] Fedora 28 Update: libssh2-1.8.1-1.fc28 - package-announce - Fedora Mailing-Lists
-
https://lists.debian.org/debian-lts-announce/2019/07/msg00028.html
[SECURITY] [DLA 1730-4] libssh2 regression update
-
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00072.html
[security-announce] openSUSE-SU-2019:1640-1: moderate: Security update f
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3860
1687310 – (CVE-2019-3860) CVE-2019-3860 libssh2: Out-of-bounds reads with specially crafted SFTP packetsIssue Tracking;Third Party Advisory
Products affected by CVE-2019-3860
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
- cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*