Amazon Linux AMI update for libtiff



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-26966
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

libtiff
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU78287

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-2023-26966

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 uv_encode() function. A remote attacker can pass a specially crafted TIFF file to the application, 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:
    libtiff-debugsource-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-static-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-tools-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-debuginfo-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-tools-debuginfo-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-4.4.0-4.amzn2023.0.7.aarch64
    libtiff-devel-4.4.0-4.amzn2023.0.7.aarch64

src:
    libtiff-4.4.0-4.amzn2023.0.7.src

x86_64:
    libtiff-debugsource-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-debuginfo-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-tools-debuginfo-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-static-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-devel-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-4.4.0-4.amzn2023.0.7.x86_64
    libtiff-tools-4.4.0-4.amzn2023.0.7.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libtiff: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-253.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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