Command injection in cups (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-18190 |
| CWE-ID | CWE-77 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
cups (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Command injection
EUVDB-ID: #VU10942
Risk: Low
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-18190
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The weakness exists in a localhost.localdomain whitelist entry in valid_host() in scheduler/client.c due to the localhost.localdomain name is often resolved via a DNS server. A remote attacker can send specially crafted POST requests to the CUPS daemon in conjunction with DNS rebinding, inject and execute arbitrary IPP commands.
Install update from vendor's website.
Vulnerable software versionscups (Alpine package): 1.4.6-r0 - 2.1.3-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=6f8b1660f4ded00badb22ec640c6f86c6a0476e9
http://git.alpinelinux.org/aports/commit/?id=04355388bc6f02f982a74c12a162fca6dff77b1b
http://git.alpinelinux.org/aports/commit/?id=b57ce380deaa352d151f152d98f92e45da3a2a70
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
