GitHub Advisory DatabaseGHSA-9VJP-V76F-G363SnappyFrameDecoder doesn't restrict chunk length any may buffer skippable chunks in an unnecessary way
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.007 Low
EPSS
Percentile
80.1%
Impact
The Snappy frame decoder function doesn’t restrict the chunk length which may lead to excessive memory usage. Beside this it also may buffer reserved skippable chunks until the whole chunk was received which may lead to excessive memory usage as well.
This vulnerability can be triggered by supplying malicious input that decompresses to a very big size (via a network stream or a file) or by sending a huge skippable chunk.
Impact
All users of SnappyFrameDecoder are affected and so the application may be in risk for a DoS attach due excessive memory usage.
References
https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L79
https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L171
https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L185
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| io.netty:netty | lt | 4.0.0 | |
| org.jboss.netty:netty | lt | 4.0.0 | |
| io.netty:netty-codec | lt | 4.1.68.Final |
References
github.com/advisories/GHSA-9vjp-v76f-g363
github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L171
github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L185
github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/SnappyFrameDecoder.java#L79
github.com/netty/netty/commit/6da4956b31023ae967451e1d94ff51a746a9194f
github.com/netty/netty/security/advisories/GHSA-9vjp-v76f-g363
lists.apache.org/thread.html/r06a145c9bd41a7344da242cef07977b24abe3349161ede948e30913d@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/r5406eaf3b07577d233b9f07cfc8f26e28369e6bab5edfcab41f28abb@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/r5e05eba32476c580412f9fbdfc9b8782d5b40558018ac4ac07192a04@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/rd262f59b1586a108e320e5c966feeafbb1b8cdc96965debc7cc10b16@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/rfb2bf8597e53364ccab212fbcbb2a4e9f0a9e1429b1dc08023c6868e@%3Cdev.tinkerpop.apache.org%3E
lists.debian.org/debian-lts-announce/2023/01/msg00008.html
nvd.nist.gov/vuln/detail/CVE-2021-37137
security.netapp.com/advisory/ntap-20220210-0012/
www.debian.org/security/2023/dsa-5316
www.oracle.com/security-alerts/cpuapr2022.html
www.oracle.com/security-alerts/cpujan2022.html
www.oracle.com/security-alerts/cpujul2022.html
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.007 Low
EPSS
Percentile
80.1%