9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
Quagga is vulnerable to stack-based buffer overflow. This occurs when processing IPv6 Neighbor Discovery messages. An attacker could exploit the flaw in the ‘zebra daemon’ component to crash the application resulting in denial of service (DoS).
rhn.redhat.com/errata/RHSA-2017-0794.html
www.gossamer-threads.com/lists/quagga/users/31952
www.securityfocus.com/bid/93775
access.redhat.com/errata/RHSA-2017:0794
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1386109
bugzilla.redhat.com/show_bug.cgi?id=674862
bugzilla.redhat.com/show_bug.cgi?id=770731
bugzilla.redhat.com/show_bug.cgi?id=839620
bugzilla.redhat.com/show_bug.cgi?id=842308
bugzilla.redhat.com/show_bug.cgi?id=862826
github.com/Quagga/quagga/commit/cfb1fae25f8c092e0d17073eaf7bd428ce1cd546
security.gentoo.org/glsa/201701-48
www.debian.org/security/2016/dsa-3695
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P