Amazon Linux AMI update for tcpdump

Published: 2022-12-10

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-14463 CVE-2019-15167
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system tcpdump Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU21987

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14463

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in print-vrrp.c:vrrp_print() function within the VRRP parser. A remote attacker can generate specially crafted VRRP data, trigger out-of-bounds read error and perform denial of service attack.

Mitigation

Update the affected packages:

i686:
    tcpdump-4.9.2-4.24.amzn1.i686
    tcpdump-debuginfo-4.9.2-4.24.amzn1.i686

src:
    tcpdump-4.9.2-4.24.amzn1.src

x86_64:
    tcpdump-debuginfo-4.9.2-4.24.amzn1.x86_64
    tcpdump-4.9.2-4.24.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

tcpdump: before 4.9.2-4.24

External links

http://alas.aws.amazon.com/ALAS-2022-1641.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU22024