Advisory details:
gitlab / maven/org.jboss.netty/netty/CVE-2021-43797
| Advisory ID | gitlab/maven/org.jboss.netty/netty/CVE-2021-43797 |
| Aliases |
CVE-2021-43797
GHSA-wx5j-54mm-rqqq |
| Summary | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty prior to version 4.1.71.Final skips control chars when they are present at the beginning / end of the header name. It should instead fail fast as these are not allowed by the spec and could lead to HTTP request smuggling. Failing to do the validation might cause netty to "sanitize" header names before it forward these to another remote system when used as proxy. This remote system can't see the invalid usage anymore, and therefore does not do the validation itself. Users should upgrade to version 4.1.71.Final. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 0.0 |
| Risk | |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/netty/netty/commit/07aa6b5938a8b6ed7a6586e066400e2643897323 | ||
| https://github.com/netty/netty/pull/11891 | ||
| https://lists.debian.org/debian-lts-announce/2023/01/msg00008.html | ||
| https://security.netapp.com/advisory/ntap-20220107-0003/ | ||
| https://www.debian.org/security/2023/dsa-5316 | ||
| cpuapr2022.html | Other | https://www.oracle.com/security-alerts/cpuapr2022.html |
| cpujul2022.html | Other | https://www.oracle.com/security-alerts/cpujul2022.html |
| CVE-2021-43797 | https://nvd.nist.gov/vuln/detail/CVE-2021-43797 | |
| GHSA-wx5j-54mm-rqqq | https://github.com/advisories/GHSA-wx5j-54mm-rqqq | |
| GHSA-wx5j-54mm-rqqq | https://github.com/netty/netty/security/advisories/GHSA-wx5j-54mm-rqqq |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
There are no SSVC decisions available.