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Digium » Asterisk » 1.6.2.16.1 : Security Vulnerabilities Published In 2011 (Gain Information)

Cpe Name:cpe:/a:digium:asterisk:1.6.2.16.1

2011 : January February March April May June July August September October November December

CVSS Scores Greater Than: 0 1 2 3 4 5 6 7 8 9

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#	CVE ID	CWE ID	# of Exploits	Vulnerability Type(s)	Publish Date	Update Date	Score	Gained Access Level	Access	Complexity	Authentication	Conf.	Integ.	Avail.
1	CVE-2011-4598	200		DoS +Info	2011-12-14	2012-08-31	4.3	None	Remote	Medium	Not required	None	None	Partial
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
2	CVE-2011-4597	200		+Info	2011-12-14	2012-11-06	5.0	None	Remote	Low	Not required	Partial	None	None
The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.
3	CVE-2011-2536	200		+Info	2011-07-06	2011-09-06	5.0	None	Remote	Low	Not required	Partial	None	None
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.

Total number of vulnerabilities : 3 Page : 1 (This Page)

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