Vulnerability in Crowcpp Crow
CVE-2023-26142
All versions of the package crow are vulnerable to HTTP Response Splitting when untrusted user input is used to build header values. Header values are not properly sanitized against CRLF Injection in the set_header and add_header functions. An attacker can add the \r\n (carriage return line feeds) characters to end the HTTP response headers and inject malicious content.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (42.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Crowcpp Crow — versions 1.0\+5, 1.0+5
- Crow — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.snyk.io/vuln/SNYK-UNMANAGED-CROW-5665556 (Third Party Advisory)
- gist.github.com/dellalibera/9247769cc90ed96c0d72ddbcba88c65c (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-26142?
- CVE-2023-26142 is a medium-severity vulnerability in Crowcpp Crow, classified under HTTP Response Splitting. CVSS score: 6.5/10. Published 2023-09-12.
- How severe is CVE-2023-26142?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-26142 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.