Resource exhaustion in pdns (Alpine package)



Published: 2019-08-02
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10203
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
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pdns (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) Resource exhaustion

EUVDB-ID: #VU32013

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10203

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform service disruption.

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

Mitigation

Install update from vendor's website.

Vulnerable software versions

pdns (Alpine package): 4.0.3-r0 - 4.1.10-r1

External links

http://git.alpinelinux.org/aports/commit/?id=9e8380b6496455e04d4c1bd2aac11e321420fef0
http://git.alpinelinux.org/aports/commit/?id=1f381cb542666fcbfe1c0996837f7482785dc8f0
http://git.alpinelinux.org/aports/commit/?id=1fc4c6a100506ca9ff9267f89aece8d93f4771f7
http://git.alpinelinux.org/aports/commit/?id=d6336af0a3286c8c01568fa8b645c482f4d06d7e


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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