5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.9 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
50.5%
Issue Overview:
In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization. (CVE-2018-19519)
Affected Packages:
tcpdump
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update tcpdump to update your system.
New Packages:
aarch64:
tcpdump-4.9.2-4.amzn2.1.aarch64
tcpdump-debuginfo-4.9.2-4.amzn2.1.aarch64
i686:
tcpdump-4.9.2-4.amzn2.1.i686
tcpdump-debuginfo-4.9.2-4.amzn2.1.i686
src:
tcpdump-4.9.2-4.amzn2.1.src
x86_64:
tcpdump-4.9.2-4.amzn2.1.x86_64
tcpdump-debuginfo-4.9.2-4.amzn2.1.x86_64
Red Hat: CVE-2018-19519
Mitre: CVE-2018-19519
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | tcpdump | < 4.9.2-4.amzn2.1 | tcpdump-4.9.2-4.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | tcpdump-debuginfo | < 4.9.2-4.amzn2.1 | tcpdump-debuginfo-4.9.2-4.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | i686 | tcpdump | < 4.9.2-4.amzn2.1 | tcpdump-4.9.2-4.amzn2.1.i686.rpm |
Amazon Linux | 2 | i686 | tcpdump-debuginfo | < 4.9.2-4.amzn2.1 | tcpdump-debuginfo-4.9.2-4.amzn2.1.i686.rpm |
Amazon Linux | 2 | x86_64 | tcpdump | < 4.9.2-4.amzn2.1 | tcpdump-4.9.2-4.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | tcpdump-debuginfo | < 4.9.2-4.amzn2.1 | tcpdump-debuginfo-4.9.2-4.amzn2.1.x86_64.rpm |
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.9 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
50.5%