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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.044 Low
EPSS
Percentile
92.2%
Buffer overflow in the lldp_decode function in daemon/protocols/lldp.c in lldpd before 0.8.0 allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via vectors involving large management addresses and TLV boundaries.
CPE | Name | Operator | Version |
---|---|---|---|
debian_linux | eq | 9.0 | |
debian_linux | eq | 10.0 | |
fedora | eq | 33 | |
lldpd | ge | 0.5.6 | |
lldpd | lt | 0.8.0 |
www.openwall.com/lists/oss-security/2015/10/16/2
www.openwall.com/lists/oss-security/2015/10/30/2
cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
github.com/vincentbernat/lldpd/commit/dd4f16e7e816f2165fba76e3d162cd8d2978dcb2
lists.debian.org/debian-lts-announce/2021/02/msg00032.html
lists.fedoraproject.org/archives/list/[email protected]/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
us-cert.cisa.gov/ics/advisories/icsa-21-194-07
www.debian.org/security/2021/dsa-4836
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.044 Low
EPSS
Percentile
92.2%