suse-su-2023:2974-1
Vulnerability from csaf_suse
Published
2023-07-26 07:32
Modified
2023-07-26 07:32
Summary
Security update for netty, netty-tcnative
Notes
Title of the patch
Security update for netty, netty-tcnative
Description of the patch
This update for netty, netty-tcnative fixes the following issues:
Upgrade to upstream version 4.1.94:
- CVE-2023-34462: Allow to limit the maximum lenght of the ClientHello (bsc#1212637).
Patchnames
SUSE-2023-2974,SUSE-SLE-Module-Development-Tools-15-SP4-2023-2974,SUSE-SLE-Module-Development-Tools-15-SP5-2023-2974,SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-2974,SUSE-SLE-Product-RT-15-SP3-2023-2974,openSUSE-SLE-15.4-2023-2974,openSUSE-SLE-15.5-2023-2974
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers \u0026 clients. The `SniHandler` can allocate up to 16MB of heap for each channel during the TLS handshake. When the handler or the channel does not have an idle timeout, it can be used to make a TCP server using the `SniHandler` to allocate 16MB of heap. The `SniHandler` class is a handler that waits for the TLS handshake to configure a `SslHandler` according to the indicated server name by the `ClientHello` record. For this matter it allocates a `ByteBuf` using the value defined in the `ClientHello` record. Normally the value of the packet should be smaller than the handshake packet but there are not checks done here and the way the code is written, it is possible to craft a packet that makes the `SslClientHelloHandler`. This vulnerability has been fixed in version 4.1.94.Final.",
"title": "CVE description"
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"threats": [
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"details": "moderate"
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"title": "CVE-2023-34462"
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}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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