Assertion failure in bind (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-3138
CWE-ID CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
 bind (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Assertion failure

EUVDB-ID: #VU16151

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-3138

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to named contains a feature which allows operators to issue commands to a running server by communicating with the server process over a control channel, using a utility program such as rndc.. A remote attacker can send some versions of named a null command string, trigger a REQUIRE assertion failure and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

bind (Alpine package): 9.10.4_p6-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=e1c82f92f256c814e32451da7b302a8d83f94800
https://git.alpinelinux.org/aports/commit/?id=2542b4ba677184fdcb83fc2fdf9dcf5c2dd6fbb8
https://git.alpinelinux.org/aports/commit/?id=ec799e60eab57b781fa19ba2f7e79f65b7ea4cbe


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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