Ubuntu update for ruby2.7

Published: 2025-02-06

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-43398 CVE-2024-39908
CWE-ID	CWE-400 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system ruby2.7 (Ubuntu package) Operating systems & Components / Operating system package or component libruby2.7 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU96970

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-2024-43398

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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 XML with multiple deep elements that have same local name attributes. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package ruby2.7 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

ruby2.7 (Ubuntu package): before 2.7.0-5ubuntu1.16

libruby2.7 (Ubuntu package): before 2.7.0-5ubuntu1.16

CPE2.3

External links

https://ubuntu.com/security/notices/USN-7256-1

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.

2) Input validation error

EUVDB-ID: #VU94363