CVE-2019-3855

Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS breakdown

Affected products

• Apple / Xcode11.0
• Debian / debian_linux9.0 – 9.0
• Debian / debian_linux8.0 – 8.0
• fedoraproject / fedora29 – 29
• fedoraproject / fedora30 – 30
• fedoraproject / fedora28 – 28
• libssh2 / libssh21.8.1
• NetApp / ONTAP Select Deploy administration utility
• openSUSE / Leap42.3 – 42.3
• oracle / peoplesoft_enterprise_peopletools8.57 – 8.57
• oracle / peoplesoft_enterprise_peopletools8.56 – 8.56
• RedHat / enterprise_linux8.0 – 8.0
• RedHat / enterprise_linux_desktop7.0 – 7.0
• RedHat / enterprise_linux_server7.0 – 7.0
• RedHat / enterprise_linux_server_aus7.6 – 7.6
• RedHat / enterprise_linux_server_eus7.6 – 7.6
• RedHat / enterprise_linux_server_tus7.6 – 7.6
• RedHat / enterprise_linux_workstation7.0 – 7.0
• 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-2019-3855.html
• MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855
• 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/
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:0679
• 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-2019:1175
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:1652
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:1791
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:1943
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:2399
• VENDOR_ADVISORYhttps://support.apple.com/kb/HT210609
• MAILING_LISThttps://seclists.org/bugtraq/2019/Sep/49
• MAILING_LISThttp://seclists.org/fulldisclosure/2019/Sep/42
• VENDOR_ADVISORYhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html