Amazon Linux AMI update for giflib

1) Buffer overflow

EUVDB-ID: #VU80867

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39742

CWE-ID: CWE-119 - Memory corruption

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 error in getarg.c. A remote attacker can pass a specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    giflib-utils-5.2.1-9.amzn2023.0.1.aarch64
    giflib-5.2.1-9.amzn2023.0.1.aarch64
    giflib-debuginfo-5.2.1-9.amzn2023.0.1.aarch64
    giflib-utils-debuginfo-5.2.1-9.amzn2023.0.1.aarch64
    giflib-debugsource-5.2.1-9.amzn2023.0.1.aarch64
    giflib-devel-5.2.1-9.amzn2023.0.1.aarch64

src:
    giflib-5.2.1-9.amzn2023.0.1.src

x86_64:
    giflib-devel-5.2.1-9.amzn2023.0.1.x86_64
    giflib-debugsource-5.2.1-9.amzn2023.0.1.x86_64
    giflib-5.2.1-9.amzn2023.0.1.x86_64
    giflib-utils-debuginfo-5.2.1-9.amzn2023.0.1.x86_64
    giflib-utils-5.2.1-9.amzn2023.0.1.x86_64
    giflib-debuginfo-5.2.1-9.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

giflib: All versions

CPE2.3

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

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-386.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.