Exploit/Advisories

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Ubuntu Security Notice USN-5610-1
September 14, 2022

rust-regex vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

rust-regex could be made to crash if it received specially crafted
input.

Software Description:
- rust-regex: Regular expressions for Rust

Details:

Addison Crump discovered that rust-regex did not properly limit
the complexity of the regular expressions (regex) it parses.
An attacker could possibly use this issue to cause a denial of
service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
librust-regex-dev 1.5.4-1ubuntu0.1

Ubuntu 20.04 LTS:
librust-regex-dev 1.2.1-3ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5610-1
CVE-2022-24713

Package Information:
https://launchpad.net/ubuntu/+source/rust-regex/1.5.4-1ubuntu0.1
https://launchpad.net/ubuntu/+source/rust-regex/1.2.1-3ubuntu0.1

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