CVE-2011-1507

high

Description

Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

References

https://bugzilla.redhat.com/show_bug.cgi?id=698916

http://www.vupen.com/english/advisories/2011/1188

http://www.vupen.com/english/advisories/2011/1107

http://www.vupen.com/english/advisories/2011/1086

http://www.debian.org/security/2011/dsa-2225

http://securitytracker.com/id?1025432

http://secunia.com/advisories/44529

http://secunia.com/advisories/44197

http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059702.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058922.html

http://downloads.digium.com/pub/security/AST-2011-005.html

Details

Source: Mitre, NVD

Published: 2011-04-27

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High