SB2020011632 - Inconsistent interpretation of HTTP requests in nginx (Alpine package)
Published: January 16, 2020 Updated: May 9, 2025
Security Bulletin ID
SB2020011632
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-20372)
CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.
The vulnerability exists with certain error_page configurations. A remote attacker can read unauthorized web pages in environments where NGINX is being fronted by a load balancer.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d47526fa9b80409c05cb72d95cb44f39a818d02b
- https://git.alpinelinux.org/aports/commit/?id=390b341e36d575528904054fbd72fade6b1e8e3d
- https://git.alpinelinux.org/aports/commit/?id=17143c4ab9960948114150119256c856dabd1ccb
- https://git.alpinelinux.org/aports/commit/?id=732a2a015029f60efed0ccc9118d8a16bf7f860e
- https://git.alpinelinux.org/aports/commit/?id=dd81abbcbedbddfc50c0d20af4559ecc142d2278