Amazon Linux AMI update for traceroute

1) OS Command Injection

EUVDB-ID: #VU81451

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46316

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the tcptraceroute, tracepath, traceproto, and traceroute-nanog wrappers. A remote attacker can trick the victim into executing the traceroutecommand with specially crafted arguments and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages:

aarch64:
    traceroute-debugsource-2.1.3-1.amzn2023.aarch64
    traceroute-2.1.3-1.amzn2023.aarch64
    traceroute-debuginfo-2.1.3-1.amzn2023.aarch64

src:
    traceroute-2.1.3-1.amzn2023.src

x86_64:
    traceroute-debugsource-2.1.3-1.amzn2023.x86_64
    traceroute-2.1.3-1.amzn2023.x86_64
    traceroute-debuginfo-2.1.3-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

traceroute: before 2.1.3-1

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:o:amazon_web_services:traceroute:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-452.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.