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.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected products
- Debian / debian_linux8.0 – 8.0
- libssh2 / libssh20.15 – 1.8.0
- NetApp / ONTAP Select Deploy administration utility
- openSUSE / Leap15.0 – 15.0
- openSUSE / Leap42.3 – 42.3
- The libssh2 Project / libssh21.8.1 – 1.8.1
References
- MISChttps://www.libssh2.org/CVE-2019-3861.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- MISChttps://security.netapp.com/advisory/ntap-20190327-0005/
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- VENDOR_ADVISORYhttps://www.debian.org/security/2019/dsa-4431
- MAILING_LISThttps://seclists.org/bugtraq/2019/Apr/25
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:2136
- VENDOR_ADVISORYhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Updated 29m ago · 8 sources