Amazon Linux AMI update for libwebp



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-1999
CWE-ID CWE-415
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

libwebp
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Double Free

EUVDB-ID: #VU74824

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-1999

CWE-ID: CWE-415 - Double Free

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 in libwebp. A remote attacker can trick the victim to visit a specially crafted page, trigger a double free error 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:
    libwebp-java-debuginfo-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-debuginfo-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-tools-debuginfo-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-devel-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-java-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-tools-1.2.4-1.amzn2023.0.4.aarch64
    libwebp-debugsource-1.2.4-1.amzn2023.0.4.aarch64

src:
    libwebp-1.2.4-1.amzn2023.0.4.src

x86_64:
    libwebp-debuginfo-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-java-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-devel-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-java-debuginfo-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-tools-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-tools-debuginfo-1.2.4-1.amzn2023.0.4.x86_64
    libwebp-debugsource-1.2.4-1.amzn2023.0.4.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libwebp: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-185.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.



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