Published: 25/07/2006 Updated: 17/10/2011

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

VMScore: 215

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

heartbeat.c in heartbeat prior to 2.0.6 sets insecure permissions in a shmget call for shared memory, which allows local users to cause an unspecified denial of service via unknown vectors, possibly during a short time window on startup.

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linux-ha heartbeat

Debian Bug report logs - #379904 heartbeat: Local DoS due to world-writable shared memory [CVE-2006-3815] Package: heartbeat; Maintainer for heartbeat is Debian HA Maintainers <debian-ha-maintainers@listsaliothdebianorg>; Source for heartbeat is src:heartbeat (PTS, buildd, popcon) Reported by: Martin Pitt <martinpitt@ ...

Yan Rong Ge discovered that heartbeat did not set proper permissions for an allocated shared memory segment A local attacker could exploit this to render the heartbeat service unavailable (Denial of Service) ...

Yan Rong Ge discovered that wrong permissions on a shared memory page in heartbeat, the subsystem for High-Availability Linux could be exploited by a local attacker to cause a denial of service For the stable distribution (sarge) this problem has been fixed in version 123-9sarge5 For the unstable distribution (sid) this problem will be fixed so ...

source: wwwsecurityfocuscom/bid/19186/info Since Linux-HA Heartbeat has insecure default permissions set on shared memory, local attackers may be able to cause a denial of service Exploitation would most likely result in a system crash, loss of data, and resource exhaustion, leading to a denial of service if critical files are accessed ...

CWE-264 http://www.mail-archive.com/linux-ha-cvs%40lists.linux-ha.org/msg00753.html http://cvs.linux-ha.org/viewcvs/viewcvs.cgi/linux-ha/heartbeat/heartbeat.c?r1=1.513&r2=1.514 http://www.debian.org/security/2006/dsa-1128 http://www.ubuntu.com/usn/usn-326-1 http://www.securityfocus.com/bid/19186 http://secunia.com/advisories/21162 http://secunia.com/advisories/21231 http://secunia.com/advisories/21240 http://securitytracker.com/id?1016602 http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt http://secunia.com/advisories/21521 http://security.gentoo.org/glsa/glsa-200608-23.xml http://secunia.com/advisories/21629 http://www.mandriva.com/security/advisories?name=MDKSA-2006:142 http://www.vupen.com/english/advisories/2006/2994 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=379904 https://usn.ubuntu.com/326-1/https://nvd.nist.gov https://www.exploit-db.com/exploits/28287/

CVE-2006-3815

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