Vulnerability Details : CVE-2011-1147

Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.
Published 2011-03-15 17:55:06
Updated 2011-08-24 03:16:35
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowExecute codeDenial of service

Threat overview for CVE-2011-1147

Top countries where our scanners detected CVE-2011-1147
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-1147 157
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-1147!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-1147

Probability of exploitation activity in the next 30 days: 93.07%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-1147

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST

CWE ids for CVE-2011-1147

References for CVE-2011-1147

Products affected by CVE-2011-1147

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