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qos-ch / reload4j

reload4j is a drop-in replacement for log4j 1.2.17
Apache License 2.0
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CVE-2023-26464 #63

Open n-marion opened 1 year ago

n-marion commented 1 year ago

Looks like CVE-2023-26464 just popped this last week. Wanted to bring to the attention of the project.

ceki commented 1 year ago

Copied content:

UNSUPPORTED WHEN ASSIGNED When using the Chainsaw or SocketAppender components with Log4j 1.x on JRE less than 1.7, an attacker that manages to cause a logging entry involving a specially-crafted (ie, deeply nested) hashmap or hashtable (depending on which logging component is in use) to be processed could exhaust the available memory in the virtual machine and achieve Denial of Service when the object is deserialized. This issue affects Apache Log4j before 2. Affected users are recommended to update to Log4j 2.x. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. References

https://nvd.nist.gov/vuln/detail/CVE-2023-26464
https://lists.apache.org/thread/wkx6grrcjkh86crr49p4blc1v1nflj3t
ceki commented 1 year ago

After analysis, the attack surface of CVE-2023-26464 is deemed very small and as DOS attack it would not yield much of a gain for the attacker. It won't be fixed.