CVE-2017-18190
High
Description
A localhost.localdomain whitelist entry in valid_host() in scheduler/client.c in CUPS before 2.2.2 allows remote attackers to execute arbitrary IPP commands by sending POST requests to the CUPS daemon in conjunction with DNS rebinding. The localhost.localdomain name is often resolved via a DNS server (neither the OS nor the web browser is responsible for ensuring that localhost.localdomain is 127.0.0.1).
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apple Cups
PublishedFeb 16, 2018
First seenFeb 16, 2018
How to fix
Update
- apple cups2.2.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple cups | v < 2.2.2 | 2.2.2 |
| debian debian_linux | 7.0, 8.0 | — |
| canonical ubuntu_linux | 14.04, 16.04 | — |
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