The get_option function in dhcpcd 4.0.0 through 6.x before 6.4.3...
Vulnerability Description
The get_option function in dhcpcd 4.0.0 through 6.x before 6.4.3 allows remote DHCP servers to cause a denial of service by resetting the DHO_OPTIONSOVERLOADED option in the (1) bootfile or (2) servername section, which triggers the option to be processed again.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:171
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.462420
- http://www.openwall.com/lists/oss-security/2014/09/01/11
- http://www.openwall.com/lists/oss-security/2014/07/30/5
- http://advisories.mageia.org/MGASA-2014-0334.html
- http://roy.marples.name/projects/dhcpcd/ci/1d2b93aa5ce25a8a710082fe2d36a6bf7f5794d5?sbs=0
- http://www.securityfocus.com/bid/68970
- http://source.android.com/security/bulletin/2016-04-02.html
More from dhcpcd project
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dhcpcd project
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.