CVE-2022-46751
What it is
Improper Restriction of XML External Entity Reference, XML Injection (aka Blind XPath Injection) vulnerability in Apache Software Foundation Apache Ivy.This issue affects any version of Apache Ivy prior to 2.5.2. When Apache Ivy prior to 2.5.2 parses XML files - either its own configuration, Ivy files or Apache Maven POMs - it will allow downloading external document type definitions and expand any entity references contained therein when used. This can be used to exfiltrate data, access resources only the machine running Ivy has access to or disturb the execution of Ivy in different ways. Starting with Ivy 2.5.2 DTD processing is disabled by default except when parsing Maven POMs where the default is to allow DTD processing but only to include a DTD snippet shipping with Ivy that is needed to deal with existing Maven POMs that are not valid XML files but are nevertheless accepted by Maven. Access can be be made more lenient via newly introduced system properties where needed. Users of Ivy prior to version 2.5.2 can use Java system properties to restrict processing of external DTDs, see the section about "JAXP Properties for External Access restrictions" inside Oracle's "Java API for XML Processing (JAXP) Security Guide".
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure.
- Exploit odds
- 2.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.0% in the next 30 days (EPSS).
- Severity: 8.2 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.0% · EPSS, next 30 days
- Weakness
- CWE-91
- Record status
- Modified
Affected
- Apache Ivy < 2.5.2
Attack profile CVSS 3.1 · 8.2
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-46751.md and follow it. Check whether this project is affected by CVE-2022-46751. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://gitbox.apache.org/repos/asf?p=ant-ivy.git;a=commit;h=2be17bc18b0e1d4123007d579e43ba1a4b6fab3d
- https://lists.apache.org/thread/1dj60hg5nr36kjr4p1100dwjrqookps8
- https://lists.apache.org/thread/9gcz4xrsn8c7o9gb377xfzvkb8jltffr
- https://gitbox.apache.org/repos/asf?p=ant-ivy.git;a=commit;h=2be17bc18b0e1d4123007d579e43ba1a4b6fab3d
- https://lists.apache.org/thread/1dj60hg5nr36kjr4p1100dwjrqookps8
- https://lists.apache.org/thread/9gcz4xrsn8c7o9gb377xfzvkb8jltffr
References
- http://www.openwall.com/lists/oss-security/2023/09/06/9
- https://docs.oracle.com/en/java/javase/13/security/java-api-xml-processing-jaxp-security-guide.html#GUID-94ABC0EE-9DC8-44F0-84AD-47ADD5340477
- https://gitbox.apache.org/repos/asf?p=ant-ivy.git;a=commit;h=2be17bc18b0e1d4123007d579e43ba1a4b6fab3d
- https://lists.apache.org/thread/1dj60hg5nr36kjr4p1100dwjrqookps8
- https://lists.apache.org/thread/9gcz4xrsn8c7o9gb377xfzvkb8jltffr
- http://www.openwall.com/lists/oss-security/2023/09/06/9
- https://docs.oracle.com/en/java/javase/13/security/java-api-xml-processing-jaxp-security-guide.html#GUID-94ABC0EE-9DC8-44F0-84AD-47ADD5340477
- https://gitbox.apache.org/repos/asf?p=ant-ivy.git;a=commit;h=2be17bc18b0e1d4123007d579e43ba1a4b6fab3d
- https://lists.apache.org/thread/1dj60hg5nr36kjr4p1100dwjrqookps8
- https://lists.apache.org/thread/9gcz4xrsn8c7o9gb377xfzvkb8jltffr