Medium severity · published Dec 5, 2022
CVE-2022-35256
The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF
6.5
CVSS
2.8%
EPSS
No
On KEV
Description
The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF. This may result in HTTP Request Smuggling.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0 · source: NVD
LL
Llhttp · Llhttp
before 6.0.10 · source: NVD
NO
Node.js · Nodejs
14.0.0 through 14.14.0; 14.15.0 before 14.20.1; 16.0.0 through 16.12.0; 16.13.0 before 16.17.1; 18.0.0 before 18.9.1 · source: NVD
SI
Sinec Ins · Siemens
before 1.0; 1.0; 1.0; 1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-35256
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-35256
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf
Exploit
https://hackerone.com/reports/1675191
Third Party Advisory
https://www.debian.org/security/2023/dsa-5326
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