Amazon Linux AMI update for bcel

1) Out-of-bounds write

EUVDB-ID: #VU69809

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-42920

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the API. A remote attacker can create a specially crafted request to the affected application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected packages:

noarch:
    bcel-6.5.0-3.amzn2023.0.2.noarch
    bcel-javadoc-6.5.0-3.amzn2023.0.2.noarch

src:
    bcel-6.5.0-3.amzn2023.0.2.src

Vulnerable software versions

Amazon Linux AMI: All versions

bcel: All versions

CPE2.3

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

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-105.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.