Secunia Security Advisory - A vulnerability has been reported in ISC DHCP, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.
f6afc4cd00d1ccfc24439ac64c0e02e4dc63a077aabf017652bdd947c8ca32f2
----------------------------------------------------------------------
Do you have VARM strategy implemented?
(Vulnerability Assessment Remediation Management)
If not, then implement it through the most reliable vulnerability
intelligence source on the market.
Implement it through Secunia.
For more information visit:
http://secunia.com/advisories/business_solutions/
Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
sales@secunia.com
----------------------------------------------------------------------
TITLE:
ISC DHCP "script_write_params()" Buffer Overflow Vulnerability
SECUNIA ADVISORY ID:
SA35785
VERIFY ADVISORY:
http://secunia.com/advisories/35785/
DESCRIPTION:
A vulnerability has been reported in ISC DHCP, which can be exploited
by malicious people to cause a DoS (Denial of Service) and potentially
compromise a user's system.
The vulnerability is caused due to a boundary error within the
"script_write_params()" function in client/dhclient.c and can be
exploited to cause a stack-based buffer overflow by sending an overly
long subnet-mask option.
Successful exploitation may allow execution of arbitrary code with
"root" privileges, but requires that dhclient processes a specially
crafted response from a malicious DHCP server.
The vulnerability is reported in DHCP 2.0 through 4.1.
SOLUTION:
Update to 3.1.2p1, 4.0.1p1, or 4.1.0p1.
https://www.isc.org/downloadables/12
PROVIDED AND/OR DISCOVERED BY:
The vendor credits Mandriva Linux Engineering Team.
ORIGINAL ADVISORY:
ISC:
https://www.isc.org/node/468
OTHER REFERENCES:
US-CERT VU#410676:
http://www.kb.cert.org/vuls/id/410676
----------------------------------------------------------------------
About:
This Advisory was delivered by Secunia as a free service to help
everybody 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.
----------------------------------------------------------------------