Amazon Linux AMI update for libarchive



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-36227
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

libarchive
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU69582

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-36227

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in libarchive. A remote attacker can pass a specially crafted archive to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    bsdcpio-debuginfo-3.5.3-2.amzn2023.0.3.aarch64
    libarchive-debuginfo-3.5.3-2.amzn2023.0.3.aarch64
    bsdtar-3.5.3-2.amzn2023.0.3.aarch64
    bsdcat-debuginfo-3.5.3-2.amzn2023.0.3.aarch64
    libarchive-debugsource-3.5.3-2.amzn2023.0.3.aarch64
    bsdtar-debuginfo-3.5.3-2.amzn2023.0.3.aarch64
    bsdcpio-3.5.3-2.amzn2023.0.3.aarch64
    bsdcat-3.5.3-2.amzn2023.0.3.aarch64
    libarchive-3.5.3-2.amzn2023.0.3.aarch64
    libarchive-devel-3.5.3-2.amzn2023.0.3.aarch64

src:
    libarchive-3.5.3-2.amzn2023.0.3.src

x86_64:
    bsdcat-3.5.3-2.amzn2023.0.3.x86_64
    libarchive-debuginfo-3.5.3-2.amzn2023.0.3.x86_64
    bsdcpio-3.5.3-2.amzn2023.0.3.x86_64
    bsdcpio-debuginfo-3.5.3-2.amzn2023.0.3.x86_64
    bsdtar-debuginfo-3.5.3-2.amzn2023.0.3.x86_64
    bsdtar-3.5.3-2.amzn2023.0.3.x86_64
    libarchive-debugsource-3.5.3-2.amzn2023.0.3.x86_64
    libarchive-3.5.3-2.amzn2023.0.3.x86_64
    libarchive-devel-3.5.3-2.amzn2023.0.3.x86_64
    bsdcat-debuginfo-3.5.3-2.amzn2023.0.3.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

libarchive: before 3.5.3-2

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-246.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.



###SIDEBAR###