SB2023092163 - Input validation error in Tungstenite
Published: September 21, 2023 Updated: April 18, 2025
Security Bulletin ID
SB2023092163
Severity
High
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) Input validation error (CVE-ID: CVE-2023-43669)
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to excessive length of an HTTP header in a client handshake. A remote attacker can cause a denial of service (minutes of CPU consumption) via an excessive length of an HTTP header in a client handshake.
Remediation
Install update from vendor's website.
References
- https://github.com/snapview/tungstenite-rs/issues/376
- https://cwe.mitre.org/data/definitions/407.html
- https://crates.io/crates/tungstenite/versions
- https://github.com/snapview/tungstenite-rs/commit/8b3ecd3cc0008145ab4bc8d0657c39d09db8c7e2
- https://github.com/advisories/GHSA-9mcr-873m-xcxp
- https://bugzilla.suse.com/show_bug.cgi?id=1215563
- https://github.com/github/advisory-database/pull/2752
- https://bugzilla.redhat.com/show_bug.cgi?id=2240110
- https://security-tracker.debian.org/tracker/CVE-2023-43669
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THK6G6CD4VW6RCROWUV2C4HSINKK3XAK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TT7SF6CQ5VHAGFLWNXY64NFSW4WIWE7D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R77EUWPZVP5WSMNXUXUDNHR7G7OI5NGM/