CVE-2017-15105 Other in unbound

What is CVE-2017-15105?

CVE-2017-15105 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 23 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

Weakness: CWE-20, CWE-358

Which versions are affected by CVE-2017-15105?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Nlnetlabs Unbound.

How do I fix CVE-2017-15105?

Upgrade to a fixed version.

Is CVE-2017-15105 being exploited?

There is no known exploitation of CVE-2017-15105 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-15105, DLA-1264-1, DLA-1676-1, GHSA-8hp4-8fgw-m69h, MGASA-2018-0091, UBUNTU-CVE-2017-15105 and 1 more.