CVE-2017-15908
Summary
| CVE | CVE-2017-15908 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-10-26 14:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-835 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Application | Systemd Project | Systemd | 223 | All | All | All |
| Application | Systemd Project | Systemd | 224 | All | All | All |
| Application | Systemd Project | Systemd | 225 | All | All | All |
| Application | Systemd Project | Systemd | 226 | All | All | All |
| Application | Systemd Project | Systemd | 227 | All | All | All |
| Application | Systemd Project | Systemd | 228 | All | All | All |
| Application | Systemd Project | Systemd | 229 | All | All | All |
| Application | Systemd Project | Systemd | 230 | All | All | All |
| Application | Systemd Project | Systemd | 231 | All | All | All |
| Application | Systemd Project | Systemd | 232 | All | All | All |
| Application | Systemd Project | Systemd | 233 | All | All | All |
| Application | Systemd Project | Systemd | 234 | All | All | All |
| Application | Systemd Project | Systemd | 235 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| systemd Infinite Loop in dns_packet_read_type_window() Lets Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Bug #1725351 “Systemd - Remote DOS of systemd-resolve service” : Bugs : systemd package : Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | bugs.launchpad.net | Issue Tracking, Patch, Third Party Advisory |
| resolved: fix loop on packets with pseudo dns types by keszybz · Pull Request #7184 · systemd/systemd · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Issue Tracking, Patch, Third Party Advisory |
| systemd 'dns_packet_read_type_window()' Function Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| USN-3558-1: systemd vulnerabilities | Ubuntu security notices | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Patch, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.