Amazon Linux AMI update for sysstat

1) Buffer overflow

EUVDB-ID: #VU69196

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-2022-39377

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the allocate_structures() function in sa_common.c . A remote attacker can trick the victim into running a malicious application on system with a vulnerable version of sysstat, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Update the affected packages:

aarch64:
    sysstat-debuginfo-12.5.6-1.amzn2023.0.2.aarch64
    sysstat-12.5.6-1.amzn2023.0.2.aarch64
    sysstat-debugsource-12.5.6-1.amzn2023.0.2.aarch64

src:
    sysstat-12.5.6-1.amzn2023.0.2.src

x86_64:
    sysstat-debuginfo-12.5.6-1.amzn2023.0.2.x86_64
    sysstat-debugsource-12.5.6-1.amzn2023.0.2.x86_64
    sysstat-12.5.6-1.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

sysstat: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:sysstat:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-094.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.