Podatność CVE-2019-3855


Publikacja: 2019-03-21   Modyfikacja: 2019-03-22

Opis:
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.

Typ:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
9.3/10
10/10
8.6/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Zdalny
Średnia
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Pełny
Pełny
Pełny
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Opensuse -> LEAP 
Netapp -> Ontap select deploy administration utility 
Libssh2 -> Libssh2 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 Referencje:
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
http://www.openwall.com/lists/oss-security/2019/03/18/3
http://www.securityfocus.com/bid/107485
https://access.redhat.com/errata/RHSA-2019:0679
https://access.redhat.com/errata/RHSA-2019:1175
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
https://seclists.org/bugtraq/2019/Apr/25
https://seclists.org/bugtraq/2019/Mar/25
https://security.netapp.com/advisory/ntap-20190327-0005/
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
https://www.debian.org/security/2019/dsa-4431
https://www.libssh2.org/CVE-2019-3855.html

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