CVE-2017-15908

In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
systemd
bullseye
247.3-7+deb11u5
fixed
jessie
not-affected
wheezy
not-affected
bullseye (security)
247.3-7+deb11u6
fixed
bookworm
252.30-1~deb12u2
fixed
sid
256.7-3
fixed
trixie
256.7-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
systemd
artful
Fixed 234-2ubuntu12.1
released
zesty
Fixed 232-21ubuntu7.1
released
xenial
Fixed 229-4ubuntu21.1
released
trusty
not-affected
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/101600
http://www.securitytracker.com/id/1039662
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351
https://github.com/systemd/systemd/pull/7184
https://usn.ubuntu.com/3558-1/
http://www.securityfocus.com/bid/101600
http://www.securitytracker.com/id/1039662
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351
https://github.com/systemd/systemd/pull/7184
https://usn.ubuntu.com/3558-1/