Vulnerability Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libssh2 | Libssh2 | < 1.8.1 |
| Fedoraproject | Fedora | 29 |
| Debian | Debian Linux | 8.0 |
| Netapp | Ontap Select Deploy Administration Utility | - |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-PatchThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2019/03/18/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/107485Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:1884
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Apr/25
- https://seclists.org/bugtraq/2019/Mar/25Mailing ListPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brThird Party Advisory
- https://www.debian.org/security/2019/dsa-4431
FAQ
What is CVE-2019-3862?
CVE-2019-3862 is a vulnerability with a CVSS score of 7.3 (HIGH). An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a ...
How severe is CVE-2019-3862?
CVE-2019-3862 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-3862?
Check the references section above for vendor advisories and patch information. Affected products include: Libssh2 Libssh2, Fedoraproject Fedora, Debian Debian Linux, Netapp Ontap Select Deploy Administration Utility, Opensuse Leap.