CVE-2012-0885

Sažetak

chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.

Reference

http://downloads.asterisk.org/pub/security/AST-2012-001.html
http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
http://www.openwall.com/lists/oss-security/2012/01/20/16
http://www.openwall.com/lists/oss-security/2012/01/20/18
https://bugzilla.redhat.com/show_bug.cgi?id=783487
https://issues.asterisk.org/jira/browse/ASTERISK-19202
https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch

CVSS

Base:	4.3
Impact:	2.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

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

Zadnje važnije ažuriranje

26-01-2012 - 14:50

Objavljeno

25-01-2012 - 15:55