Vulnerability · Published Jun 15, 2023 · Assigned by VulDB

CVE-2023-3276Dromara HuTool XML Parsing Module XmlUtil.java readBySax xml external entity reference

Medium 5.5

In plain English

A medium-severity XML external entity in HuTool from Dromara. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.7%top 45.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference. The exploit has been disclosed to the public and may be used. VDB-231626 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	cn.hutool:hutool-core	no fix listed	GHSA-p2qf-9vp6-3jjq

Affected products (as reported)

Vendor	Product	Versions
Dromara	HuTool	5.8.05.8.15.8.25.8.35.8.45.8.55.8.65.8.7

Weakness: CWE-611 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

https://vuldb.com/?id.231626 vdb-entry, technical-description
https://vuldb.com/?ctiid.231626 signature, permissions-required
https://fbdhhhh47.github.io/2023/06/06/hutool-XXE/ exploit