Buffer overflow in Digium Asterisk
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.
Vulnerability class: Buffer Overflow
EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.
Affected products
- Digium Asterisk — versions 1.4.0, 1.4.1, 1.4.2
- Digium Asterisknow — versions 1.5
- Digium S800i
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Patch)
- secalert@redhat.com (vdb-entry, x_refsource_VUPEN, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Patch)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Patch)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)