Inconsistent interpretation of HTTP requests in nginx (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-20372 |
| CWE-ID | CWE-444 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
nginx (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Inconsistent interpretation of HTTP requests
EUVDB-ID: #VU24230
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-20372
CWE-ID:
CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Exploit availability: No
DescriptionThe 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.
Install update from vendor's website.
Vulnerable software versionsnginx (Alpine package): 1.6.1-r0 - 1.14.2-r4
nginx (Alpine package):
External linkshttp://git.alpinelinux.org/aports/commit/?id=d47526fa9b80409c05cb72d95cb44f39a818d02b
http://git.alpinelinux.org/aports/commit/?id=390b341e36d575528904054fbd72fade6b1e8e3d
http://git.alpinelinux.org/aports/commit/?id=17143c4ab9960948114150119256c856dabd1ccb
http://git.alpinelinux.org/aports/commit/?id=732a2a015029f60efed0ccc9118d8a16bf7f860e
http://git.alpinelinux.org/aports/commit/?id=dd81abbcbedbddfc50c0d20af4559ecc142d2278
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.
