---------------------------------------------------------------------- The final version of the CSI 6.0 has been released. Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/ ---------------------------------------------------------------------- TITLE: ISC DHCP IPv6 Lease Expiration Handling Denial of Service Security Issue SECUNIA ADVISORY ID: SA50612 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/50612/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=50612 RELEASE DATE: 2012-09-13 DISCUSS ADVISORY: http://secunia.com/advisories/50612/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/50612/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=50612 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: A security issue has been reported in ISC DHCP, which can be exploited by malicious people to cause a DoS (Denial of Service). The security issue is caused due to an error when handling the expiration time of an active IPv6 lease and may result in a server crash if the lease time is reduced. The security issue is reported in versions 4.1.x and 4.2.x. SOLUTION: Update to version 4.1-ESV-R7 or 4.2.4-P2. PROVIDED AND/OR DISCOVERED BY: The vendor credits Glen Eustace, Massey University of New Zealand. ORIGINAL ADVISORY: https://kb.isc.org/article/AA-00779/75 OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------