What’s Vulnerable › Vulnerabilities

CVE-2013-0175

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-04-25 · updated 2026-06-16
• Weakness: CWE-20

Description

multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.

Affected products

• Erik Michaels-Ober Multi Xml: 0.5.2
• Grape Project Grape: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5 (+6)

References

• http://www.openwall.com/lists/oss-security/2013/01/11/9
• https://gist.github.com/nate/d7f6d9f4925f413621aa
• https://github.com/sferik/multi_xml/pull/34
• https://groups.google.com/forum/?fromgroups=#%21topic/ruby-grape/fthDkMgIOa0
• https://news.ycombinator.com/item?id=5040457
• http://www.openwall.com/lists/oss-security/2013/01/11/9
• https://gist.github.com/nate/d7f6d9f4925f413621aa
• https://github.com/sferik/multi_xml/pull/34
• https://groups.google.com/forum/?fromgroups=#%21topic/ruby-grape/fthDkMgIOa0
• https://news.ycombinator.com/item?id=5040457

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