Ubuntu update for rust-regex

1) Resource exhaustion

EUVDB-ID: #VU61895

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-2022-24713

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due regex for Rust does not properly control consumption of internal resources when parsing untrusted input. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service (ReDoS) attack.

Mitigation

Update the affected package rust-regex to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

librust-regex-dev (Ubuntu package): before 1.2.1-3ubuntu0.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:librust-regex-dev_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5610-1

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.