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amazonAmazonALAS2-2023-2119
HistoryJul 05, 2023 - 10:01 p.m.

Medium: tcpdump

2023-07-0522:01:00
alas.aws.amazon.com
25
tcpdump
vrrp
buffer over-read
print-vrrp
cve-2019-15167
security vulnerability

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

AI Score

8.8

Confidence

High

EPSS

0.004

Percentile

73.3%

Issue Overview:

The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463. (CVE-2019-15167)

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.amzn2.1.0.1.aarch64  
    tcpdump-debuginfo-4.9.2-4.amzn2.1.0.1.aarch64  
  
i686:  
    tcpdump-4.9.2-4.amzn2.1.0.1.i686  
    tcpdump-debuginfo-4.9.2-4.amzn2.1.0.1.i686  
  
src:  
    tcpdump-4.9.2-4.amzn2.1.0.1.src  
  
x86_64:  
    tcpdump-4.9.2-4.amzn2.1.0.1.x86_64  
    tcpdump-debuginfo-4.9.2-4.amzn2.1.0.1.x86_64  

Additional References

Red Hat: CVE-2019-15167

Mitre: CVE-2019-15167

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

AI Score

8.8

Confidence

High

EPSS

0.004

Percentile

73.3%