OpenSUSE Linux update for pdns-recursor

1) Security restrictions bypass

EUVDB-ID: #VU17348

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3807

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated. A remote attacker can bypass DNSSEC validation.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.0

External links

http://lists.opensuse.org/opensuse-security-announce/2019-01/msg00044.html

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.