What is CVE-2023-23625?

CVE-2023-23625 is a medium-severity vulnerability in Ipfs Go-Unixfs, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2023-02-09.

How severe is CVE-2023-23625?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Resource exhaustion in Ipfs Go-Unixfs

CVE-2023-23625

go-unixfs is an implementation of a unix-like filesystem on top of an ipld merkledag. Trying to read malformed HAMT sharded directories can cause panics and virtual memory leaks. If you are reading untrusted user input, an attacker can then trigger a panic. This is caused by bogus `fanout` parameter in the HAMT directory nodes. Users are advised to upgrade to version 0.4.3 to resolve this issue. Users unable to upgrade should not feed untrusted user data to the decoding functions.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (48.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ipfs Go-unixfs — versions < 0.4.3
Protocol Go-unixfs

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-23625?: CVE-2023-23625 is a medium-severity vulnerability in Ipfs Go-Unixfs, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2023-02-09.
How severe is CVE-2023-23625?: Medium severity. CVSS v3 base score is 5.9 out of 10.