CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
CVE-2019-16786 (GCVE-0-2019-16786)
Vulnerability from cvelistv5 – Published: 2019-12-20 23:00 – Updated: 2024-08-05 01:24
VLAI
Title
HTTP Request Smuggling: Invalid Transfer-Encoding in Waitress
Summary
Waitress through version 1.3.1 would parse the Transfer-Encoding header and only look for a single string value, if that value was not chunked it would fall through and use the Content-Length header instead. According to the HTTP standard Transfer-Encoding should be a comma separated list, with the inner-most encoding first, followed by any further transfer codings, ending with chunked. Requests sent with: "Transfer-Encoding: gzip, chunked" would incorrectly get ignored, and the request would use a Content-Length header instead to determine the body size of the HTTP message. This could allow for Waitress to treat a single request as multiple requests in the case of HTTP pipelining. This issue is fixed in Waitress 1.4.0.
Severity
7.1 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://access.redhat.com/errata/RHSA-2020:0720 | vendor-advisoryx_refsource_REDHAT |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://docs.pylonsproject.org/projects/waitress/… | x_refsource_MISC |
| https://github.com/Pylons/waitress/security/advis… | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/f11093a… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2019-16789 (GCVE-0-2019-16789)
Vulnerability from cvelistv5 – Published: 2019-12-26 16:40 – Updated: 2024-08-05 01:24
VLAI
Title
HTTP Request Smuggling in Waitress: Invalid whitespace characters in headers
Summary
In Waitress through version 1.4.0, if a proxy server is used in front of waitress, an invalid request may be sent by an attacker that bypasses the front-end and is parsed differently by waitress leading to a potential for HTTP request smuggling. Specially crafted requests containing special whitespace characters in the Transfer-Encoding header would get parsed by Waitress as being a chunked request, but a front-end server would use the Content-Length instead as the Transfer-Encoding header is considered invalid due to containing invalid characters. If a front-end server does HTTP pipelining to a backend Waitress server this could lead to HTTP request splitting which may lead to potential cache poisoning or unexpected information disclosure. This issue is fixed in Waitress 1.4.1 through more strict HTTP field validation.
Severity
7.1 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://access.redhat.com/errata/RHSA-2020:0720 | vendor-advisoryx_refsource_REDHAT |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://docs.pylonsproject.org/projects/waitress/… | x_refsource_MISC |
| https://github.com/github/advisory-review/pull/14604 | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/11d9e13… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2019-16792 (GCVE-0-2019-16792)
Vulnerability from cvelistv5 – Published: 2020-01-22 18:30 – Updated: 2024-08-05 01:24
VLAI
Title
HTTP Request Smuggling: Content-Length Sent Twice in Waitress
Summary
Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two Content-Length headers are sent in a single request, Waitress would treat the request as having no body, thereby treating the body of the request as a new request in HTTP pipelining. This issue is fixed in Waitress 1.4.0.
Severity
7.1 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://docs.pylonsproject.org/projects/waitress/… | x_refsource_MISC |
| https://github.com/Pylons/waitress/security/advis… | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/575994c… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2020-10687 (GCVE-0-2020-10687)
Vulnerability from cvelistv5 – Published: 2020-09-23 12:30 – Updated: 2024-08-04 11:06
VLAI
Summary
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1785049 | x_refsource_MISC |
| https://lists.apache.org/thread.html/r6603513ea8a… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022021… | x_refsource_CONFIRM |
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CVE-2020-10719 (GCVE-0-2020-10719)
Vulnerability from cvelistv5 – Published: 2020-05-26 14:57 – Updated: 2024-08-04 11:14
VLAI
Summary
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
Severity
6.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2022021… | x_refsource_CONFIRM |
Impacted products
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CVE-2020-11076 (GCVE-0-2020-11076)
Vulnerability from cvelistv5 – Published: 2020-05-22 14:50 – Updated: 2024-08-04 11:21
VLAI
Title
HTTP Smuggling via Transfer-Encoding Header in Puma
Summary
In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.
Severity
7.5 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/puma/puma/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/puma/puma/blob/master/History.… | x_refsource_MISC |
| https://github.com/puma/puma/commit/f24d5521295a2… | x_refsource_MISC |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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Impacted products
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CVE-2020-11077 (GCVE-0-2020-11077)
Vulnerability from cvelistv5 – Published: 2020-05-22 14:55 – Updated: 2024-08-04 11:21
VLAI
Title
HTTP Smuggling via Transfer-Encoding Header in Puma
Summary
In Puma (RubyGem) before 4.3.5 and 3.12.6, a client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. If the proxy uses persistent connections and the client adds another request in via HTTP pipelining, the proxy may mistake it as the first request's body. Puma, however, would see it as two requests, and when processing the second request, send back a response that the proxy does not expect. If the proxy has reused the persistent connection to Puma to send another request for a different client, the second response from the first client will be sent to the second client. This is a similar but different vulnerability from CVE-2020-11076. The problem has been fixed in Puma 3.12.6 and Puma 4.3.5.
Severity
6.8 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/puma/puma/blob/master/History.… | x_refsource_MISC |
| https://github.com/puma/puma/security/advisories/… | x_refsource_CONFIRM |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2020-26281 (GCVE-0-2020-26281)
Vulnerability from cvelistv5 – Published: 2020-12-21 21:50 – Updated: 2024-08-04 15:56
VLAI
Title
request smuggling in async-h1
Summary
async-h1 is an asynchronous HTTP/1.1 parser for Rust (crates.io). There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the body of a request which is longer than some buffer length, async-h1 will attempt to read a subsequent request from the body content starting at that offset into the body. One way to exploit this vulnerability would be for an adversary to craft a request such that the body contains a request that would not be noticed by a reverse proxy, allowing it to forge forwarded/x-forwarded headers. If an application trusted the authenticity of these headers, it could be misled by the smuggled request. Another potential concern with this vulnerability is that if a reverse proxy is sending multiple http clients' requests along the same keep-alive connection, it would be possible for the smuggled request to specify a long content and capture another user's request in its body. This content could be captured in a post request to an endpoint that allows the content to be subsequently retrieved by the adversary. This has been addressed in async-h1 2.3.0 and previous versions have been yanked.
Severity
6.8 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/http-rs/async-h1/security/advi… | x_refsource_CONFIRM |
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CVE-2020-5207 (GCVE-0-2020-5207)
Vulnerability from cvelistv5 – Published: 2020-01-27 19:30 – Updated: 2024-08-04 08:22
VLAI
Title
Request smuggling is possible in Ktor when both chunked TE and content length specified
Summary
In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.
Severity
5.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
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|---|---|
| https://github.com/ktorio/ktor/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/ktorio/ktor/pull/1547 | x_refsource_MISC |
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CVE-2020-5218 (GCVE-0-2020-5218)
Vulnerability from cvelistv5 – Published: 2020-01-27 20:25 – Updated: 2024-08-04 08:22
VLAI
Title
Ability in Sylius to switch channels via GET parameter enabled in production environments
Summary
Affected versions of Sylius give attackers the ability to switch channels via the _channel_code GET parameter in production environments. This was meant to be enabled only when kernel.debug is set to true. However, if no sylius_channel.debug is set explicitly in the configuration, the default value which is kernel.debug will be not resolved and cast to boolean, enabling this debug feature even if that parameter is set to false. Patch has been provided for Sylius 1.3.x and newer - 1.3.16, 1.4.12, 1.5.9, 1.6.5. Versions older than 1.3 are not covered by our security support anymore.
Severity
4.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Sylius/SyliusResourceBundle/se… | x_refsource_CONFIRM |
| https://github.com/FriendsOfPHP/security-advisori… | x_refsource_MISC |
Impacted products
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Mitigation
Phase: Implementation
Description:
- Use a web server that employs a strict HTTP parsing procedure, such as Apache [REF-433].
Mitigation
Phase: Implementation
Description:
- Use only SSL communication.
Mitigation
Phase: Implementation
Description:
- Terminate the client session after each request.
Mitigation
Phase: System Configuration
Description:
- Turn all pages to non-cacheable.
CAPEC-273: HTTP Response Smuggling
['An adversary manipulates and injects malicious content in the form of secret unauthorized HTTP responses, into a single HTTP response from a vulnerable or compromised back-end HTTP agent (e.g., server).', 'See CanPrecede relationships for possible consequences.']
CAPEC-33: HTTP Request Smuggling
['An adversary abuses the flexibility and discrepancies in the parsing and interpretation of HTTP Request messages using various HTTP headers, request-line and body parameters as well as message sizes (denoted by the end of message signaled by a given HTTP header) by different intermediary HTTP agents (e.g., load balancer, reverse proxy, web caching proxies, application firewalls, etc.) to secretly send unauthorized and malicious HTTP requests to a back-end HTTP agent (e.g., web server).', 'See CanPrecede relationships for possible consequences.']