CVE-2019-3861
Last modified
CVE-2019-3861 is a medium-severity vulnerability rated 5/10 on the CVSS scale. An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length 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.. EPSS estimates a 5.12% chance of exploitation in the next 30 days.
Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length 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.
Metrics
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libssh2 | Libssh2 | >= 0.15, <= 1.8.0 |
| Debian | Debian Linux | 8.0 |
| Netapp | Ontap Select Deploy Administration Utility | All versions |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 42.3 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
- https://www.libssh2.org/CVE-2019-3861.htmlPatch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
- https://www.libssh2.org/CVE-2019-3861.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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