#VU80788 Resource exhaustion in Apache Commons Compress - CVE-2023-42503

Vulnerability identifier: #VU80788

Vulnerability 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-2023-42503

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Commons Compress
Universal components / Libraries / Libraries used by multiple products

Vendor: Apache Foundation

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing .tar archives. A remote attacker can pass a specially crafted archive to the application and consume excessive CPU usage.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Commons Compress: 1.22 - 1.23.0

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External links
https://issues.apache.org/jira/browse/COMPRESS-612
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_05

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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.