#VU107614 Input validation error in Tungstenite - CVE-2023-43669
Vulnerability identifier: #VU107614
Vulnerability risk: High
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:Amber]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Tungstenite
Vendor: Snapview
Description
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.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..
Vulnerable software versions
Tungstenite: 0.1.0 - 0.20.0
External links
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/
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.
