SB2022040527 - Denial of service in regex for Rust
Published: April 5, 2022
Security Bulletin ID
SB2022040527
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2022-24713)
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.
Remediation
Install update from vendor's website.
References
- https://github.com/rust-lang/regex/security/advisories/GHSA-m5pq-gvj9-9vr8
- https://github.com/rust-lang/regex/commit/ae70b41d4f46641dbc45c7a4f87954aea356283e
- https://groups.google.com/g/rustlang-security-announcements/c/NcNNL1Jq7Yw
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDOWTHNVGBOP2HN27PUFIGRYNSNDTYRJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JANLZ3JXWJR7FSHE57K66UIZUIJZI67T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3YB7CURSG64CIPCDPNMGPE4UU24AB6H/