CVE-2017-15908
HIGH
7.5
CVSS Score
Published: October 26, 2017 at 02:00 PM UTC
Updated: June 17, 2026 at 01:08 AM UTC
2 products affected across 2 vendorsUbuntu LinuxSystemd
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Severity
HIGH7.5
Exploit prediction
EPSS 24%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/101600VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1039662x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/systemd/systemd/pull/7184Vendor Advisoryx_refsource_UBUNTUPatchThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3558-1/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-835
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