CVE-2021-41559 — XML Entity Expansion in Silverstripe

CWE-776 — XML Entity Expansion3 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 42.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
SilverstripeSilverstripe Framework
Timeline
PublishedJun 28
Latest updateJun 29

Description

Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶Packagistsilverstripe/framework4.0.0 — 4.10.9

🔴Vulnerability Details

2
OSV
Quadratic blowup in Convert::xml2array()↗2022-06-29
▶
GHSA
Quadratic blowup in Convert::xml2array()↗2022-06-29
▶