Buffer overflow

2008-03-2417:44:00

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7.4 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.97 High

EPSS

Percentile

99.7%

JSON

Multiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3, Open Source 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6.1, AsteriskNOW 1.0.x before 1.0.2, Appliance Developer Kit before 1.4 revision 109386, and s800i 1.1.x before 1.1.0.2 allow remote attackers to (1) write a zero to an arbitrary memory location via a large RTP payload number, related to the ast_rtp_unset_m_type function in main/rtp.c; or (2) write certain integers to an arbitrary memory location via a large number of RTP payloads, related to the process_sdp function in channels/chan_sip.c.

CPENameOperatorVersion
asterisk_appliance_developer_kiteq1.4
asterisk_business_editioneq<= c.1.0beta7
asterisk_business_editioneq<= c.1.0-beta8
asterisknowle1.0.1
open_sourceeq<= 1.6.0-beta5
open_sourcele1.4.19
open_sourcele1.4.18
s800ile1.1.0.1

Name	Operator	Version
asterisk_appliance_developer_kit	eq	1.4
asterisk_business_edition	eq	<= c.1.0beta7
asterisk_business_edition	eq	<= c.1.0-beta8
asterisknow	le	1.0.1
open_source	eq	<= 1.6.0-beta5
open_source	le	1.4.19
open_source	le	1.4.18
s800i	le	1.1.0.1