CVE-2024-49761
HIGH7.5EPSS 1.6%REXML ReDoS vulnerability
發布日:2024/10/28修改日:2026/4/28
描述
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.
受影響套件(5)
- Alpine/ruby-rexmlfrom 0, < 3.3.9-r0
- Debian/ruby2.7from 0, < 2.7.4-1+deb11u3
- Debian/ruby3.1from 0
- Debian/ruby3.3from 0, < 3.3.6-1
- RubyGems/rexmlfrom 0, < 3.3.9
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
參考連結(10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-49761
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2024-49761
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2024-49761
- PATCHhttps://github.com/ruby/rexml
- WEBhttps://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f
- WEBhttps://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-49761.yml
- WEBhttps://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
- WEBhttps://security.netapp.com/advisory/ntap-20241227-0004
- WEBhttps://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761