ZDI-20-1397: Arcserve D2D getNews XML External Entity Processing Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of CA Arcserve D2D. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getNews method. Due to the improper restriction of XML External Entity (XXE) references, a specially-crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CA ARCserve D2D |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-1397?
ZDI-20-1397 is classified as a critical vulnerability due to its potential for remote exploitation without authentication.
How do I fix ZDI-20-1397?
To fix ZDI-20-1397, ensure you apply the latest patch provided by Arcserve for the D2D product.
What type of vulnerability is ZDI-20-1397?
ZDI-20-1397 is an information disclosure vulnerability that affects CA Arcserve D2D.
Can ZDI-20-1397 be exploited by unauthenticated users?
Yes, ZDI-20-1397 can be exploited by unauthenticated users, making it particularly dangerous.
What affected software is associated with ZDI-20-1397?
ZDI-20-1397 specifically affects installations of CA Arcserve D2D.
- agent/references
- agent/type
- agent/softwarecombine
- agent/title
- agent/severity
- agent/description
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-1397
- alias/ZDI-CAN-11103
- alias/CVE-2020-27858
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/event
- vendor/arcserve
- canonical/ca arcserve d2d