CVE-2022-23514
HIGH7.5EPSS 0.27%Inefficient Regular Expression Complexity in Loofah
描述
## Summary Loofah `< 2.19.1` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. ## Mitigation Upgrade to Loofah `>= 2.19.1`. ## Severity The Loofah maintainers have evaluated this as [High Severity 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). ## References - [CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9)](https://cwe.mitre.org/data/definitions/1333.html) - https://hackerone.com/reports/1684163 ## Credit This vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).
受影響套件(4)
- Debian/ruby-loofahfrom 0, < 2.7.0+dfsg-1+deb11u1
- Debian/ruby-loofahfrom 0, < 2.2.3-1+deb10u2
- Debian/ruby-loofahfrom 0, < 2.7.0+dfsg-1+deb11u1
- RubyGems/loofahfrom 0, < 2.19.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| 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(9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-23514
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-23514
- PATCHhttps://github.com/flavorjones/loofah
- WEBhttps://github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143
- WEBhttps://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23514.yml
- WEBhttps://hackerone.com/reports/1684163
- WEBhttps://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
- WEBhttps://lists.debian.org/debian-lts-announce/2024/09/msg00044.html