Improper Handling of Unexpected Data Type in Nokogiri
CVE-2022-29181

8.2HIGH

Key Information:

Vendor

Sparklemotion

Status
Nokogiri
Vendor
CVE Published:
20 May 2022

What is CVE-2022-29181?

Nokogiri is an open source XML and HTML library for Ruby. Nokogiri prior to version 1.13.6 does not type-check all inputs into the XML and HTML4 SAX parsers, allowing specially crafted untrusted inputs to cause illegal memory access errors (segfault) or reads from unrelated memory. Version 1.13.6 contains a patch for this issue. As a workaround, ensure the untrusted input is a String by calling #to_s or equivalent.

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Deploy the Patch

Affected Version(s)

nokogiri < 1.13.6

References

https://github.com/sparklemotion/nokogiri/security/adviso...
x_refsource_CONFIRM
https://github.com/sparklemotion/nokogiri/commit/83cc451c...
x_refsource_MISC
https://github.com/sparklemotion/nokogiri/commit/db05ba9a...
x_refsource_MISC

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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