Ubuntu Security Notice 5610-1 - Addison Crump discovered that rust-regex did not properly limit the complexity of the regular expressions it parses. An attacker could possibly use this issue to cause a denial of service.
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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