Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. 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 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected products
- Debian / debian_linux8.0 – 8.0
- Debian / debian_linux9.0 – 9.0
- fedoraproject / fedora28 – 28
- fedoraproject / fedora29 – 29
- libssh2 / libssh21.8.1
- NetApp / ONTAP Select Deploy administration utility
- openSUSE / Leap42.3 – 42.3
- openSUSE / Leap15.0 – 15.0
- The libssh2 Project / libssh21.8.1 – 1.8.1
References
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2019/03/18/3
- MAILING_LISThttps://seclists.org/bugtraq/2019/Mar/25
- MISChttps://www.libssh2.org/CVE-2019-3859.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859
- EXPLOIThttp://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- MISChttp://www.securityfocus.com/bid/107485
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
- VENDOR_ADVISORYhttps://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
- 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_LISThttps://lists.debian.org/debian-lts-announce/2019/04/msg00006.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
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2019/07/msg00024.html
- VENDOR_ADVISORYhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Updated 15m ago · 8 sources