CVE-2017-15908
First published: Thu Oct 26 2017(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Systemd Project Systemd | =223 | |
| Systemd Project Systemd | =224 | |
| Systemd Project Systemd | =225 | |
| Systemd Project Systemd | =226 | |
| Systemd Project Systemd | =227 | |
| Systemd Project Systemd | =228 | |
| Systemd Project Systemd | =229 | |
| Systemd Project Systemd | =230 | |
| Systemd Project Systemd | =231 | |
| Systemd Project Systemd | =232 | |
| Systemd Project Systemd | =233 | |
| Systemd Project Systemd | =234 | |
| Systemd Project Systemd | =235 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| debian/systemd | 247.3-7+deb11u5 247.3-7+deb11u6 252.30-1~deb12u2 256.6-1 |
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Reference Links
- 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/
- https://launchpad.net/bugs/cve/CVE-2017-15908
- https://github.com/systemd/systemd/commit/9f939335a07085aa9a9663efd1dca06ef6405d62
- https://security-tracker.debian.org/tracker/CVE-2017-15908
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15908
- https://nvd.nist.gov/vuln/detail/CVE-2017-15908
- https://ubuntu.com/security/CVE-2017-15908
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2017-15908.
What is the severity of CVE-2017-15908?
The severity of CVE-2017-15908 is high, with a severity value of 7.5.
How does CVE-2017-15908 affect systemd?
CVE-2017-15908 affects systemd versions 223 through 235.
How can CVE-2017-15908 be exploited?
CVE-2017-15908 can be exploited by a remote DNS server sending a specially crafted DNS NSEC resource record.
Is there a fix for CVE-2017-15908?
Yes, there are fixes available for CVE-2017-15908. Please refer to the references for more information.
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/weakness
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/remedy
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/systemd project
- canonical/systemd project systemd
- version/systemd project systemd/223
- version/systemd project systemd/224
- version/systemd project systemd/225
- version/systemd project systemd/226
- version/systemd project systemd/227
- version/systemd project systemd/228
- version/systemd project systemd/229
- version/systemd project systemd/230
- version/systemd project systemd/231
- version/systemd project systemd/232
- version/systemd project systemd/233
- version/systemd project systemd/234
- version/systemd project systemd/235
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- package-manager/debian