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Purlpkg:maven/io.netty/netty-codec-http@4.1.83
Typemaven
Namespaceio.netty
Namenetty-codec-http
Version4.1.83
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version4.1.133.Final
Latest_non_vulnerable_version4.2.13.Final
Affected_by_vulnerabilities
0
url VCID-m7b8-8zcj-uqey
vulnerability_id VCID-m7b8-8zcj-uqey
summary 
Netty vulnerable to HTTP Response splitting from assigning header value iterator
### Impact
When calling `DefaultHttpHeaders.set` with an _iterator_ of values (as opposed to a single given value), header value validation was not performed, allowing malicious header values in the iterator to perform [HTTP Response Splitting](https://owasp.org/www-community/attacks/HTTP_Response_Splitting).

### Patches
The necessary validation was added in Netty 4.1.86.Final.

### Workarounds
Integrators can work around the issue by changing the `DefaultHttpHeaders.set(CharSequence, Iterator<?>)` call, into a `remove()` call, and call `add()` in a loop over the iterator of values.

### References
[HTTP Response Splitting](https://owasp.org/www-community/attacks/HTTP_Response_Splitting)
[CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers](https://cwe.mitre.org/data/definitions/113.html)

### For more information
If you have any questions or comments about this advisory:
* Open an issue in [[example link to repo](https://github.com/netty/netty)](https://github.com/netty/netty)
* Email us at [netty-security@googlegroups.com](mailto:netty-security@googlegroups.com)
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2022-41915
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url https://api.first.org/data/v1/epss?cve=CVE-2022-41915
1
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reference_type
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fixed_packages
0
url pkg:maven/io.netty/netty-codec-http@4.1.86.Final
purl pkg:maven/io.netty/netty-codec-http@4.1.86.Final
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-9syp-fkzy-4fhy
1
vulnerability VCID-n9u5-a8js-hbf2
2
vulnerability VCID-rewk-dvth-tubh
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/io.netty/netty-codec-http@4.1.86.Final
1
url pkg:maven/io.netty/netty-codec-http@4.1.86
purl pkg:maven/io.netty/netty-codec-http@4.1.86
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/io.netty/netty-codec-http@4.1.86
aliases CVE-2022-41915, GHSA-hh82-3pmq-7frp
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-m7b8-8zcj-uqey
Fixing_vulnerabilities
Risk_score3.1
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:maven/io.netty/netty-codec-http@4.1.83