CVE-2023-36823
ruby-sanitize - security update
描述
Sanitize is an allowlist-based HTML and CSS sanitizer. Using carefully crafted input, an attacker may be able to sneak arbitrary HTML and CSS through Sanitize starting with version 3.0.0 and prior to version 6.0.2 when Sanitize is configured to use the built-in "relaxed" config or when using a custom config that allows `style` elements and one or more CSS at-rules. This could result in cross-site scripting or other undesired behavior when the malicious HTML and CSS are rendered in a browser. Sanitize 6.0.2 performs additional escaping of CSS in `style` element content, which fixes this issue. Users who are unable to upgrade can prevent this issue by using a Sanitize config that doesn't allow `style` elements, using a Sanitize config that doesn't allow CSS at-rules, or by manually escaping the character sequence `</` as `<\/` in `style` element content.
如何修補 CVE-2023-36823
要修補 CVE-2023-36823,請將受影響套件升級到下列已修補版本。
- —升級至 5.2.1-2+deb11u1 或更新版本
- —升級至 4.6.6-2.1~deb10u2 或更新版本
- —升級至 5.2.1-2+deb11u1 或更新版本
- —升級至 6.0.2 或更新版本
CVE-2023-36823 正在被利用嗎?
低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。
受影響套件(4)
- from 0, < 5.2.1-2+deb11u1
- from 0, < 4.6.6-2.1~deb10u2
- from 0, < 5.2.1-2+deb11u1
- >= 3.0.0, < 6.0.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |