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TITLE:
ISC DHCP Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA45582

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45582/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45582

RELEASE DATE:
2011-08-12

DISCUSS ADVISORY:
http://secunia.com/advisories/45582/#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/45582/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
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 * Approve Distribution
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45582

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:
Two vulnerabilities have been reported in ISC DHCP, which can be
exploited by malicious people to cause a DoS (Denial of Service).

1) An unspecified error when processing a certain packet can be
exploited to cause the server to halt by sending specially crafted
packets.

2) Another unspecified error when processing a certain packet can be
exploited to cause the server to halt by sending specially crafted
packets.

The vulnerabilities are reported in versions 3.1.0 through
3.1-ESV-R1, 4.1.0 through 4.1.2rc1, 4.1-ESV through 4.1-ESV-R3b1, and
4.2.0 through 4.2.2rc1.

SOLUTION:
Update to version 3.1-ESV-R3, 4.1-ESV-R3, or 4.2.2.

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits David Zych, University of Illinois.
2) Reported by the vendor.

ORIGINAL ADVISORY:
https://www.isc.org/software/dhcp/advisories/cve-2011-2748

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/

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About:
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vulnerabilities.

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