Asterisk: Multiple vulnerabilities
1.
Gentoo Linux Security Advisory
Version Information
| Advisory Reference |
GLSA 201206-05 / Asterisk |
| Release Date |
June 21, 2012 |
| Latest Revision |
June 21, 2012: 1 |
| Impact |
normal |
| Exploitable |
remote |
| Package |
Vulnerable versions |
Unaffected versions |
Architecture(s) |
| net-misc/asterisk |
<
1.8.12.1 |
>=
1.8.12.1 |
All supported architectures
|
Related bugreports:
#413353, #418189, #418191
Synopsis
Multiple vulnerabilities in Asterisk might allow remote attackers
to execute arbitrary code.
2.
Impact Information
Background
Asterisk is an open source telephony engine and toolkit.
Description
Multiple vulnerabilities have been found in Asterisk:
- An error in manager.c allows shell access through the MixMonitor
application, GetVar, or Status (CVE-2012-2414).
- An error in chan_skinny.c could cause a heap-based buffer overflow
(CVE-2012-2415).
- An error in chan_sip.c prevents Asterisk from checking if a channel
exists before connected line updates (CVE-2012-2416).
- An error in chan_iax2.c may cause an invalid pointer to be called
(CVE-2012-2947).
- chan_skinny.c contains a NULL pointer dereference (CVE-2012-2948).
Impact
A remote attacker could execute arbitrary code with the privileges of
the process or cause a Denial of Service condition.
3.
Resolution Information
Workaround
There is no known workaround at this time.
Resolution
All Asterisk users should upgrade to the latest version:
Code Listing 3.1: Resolution |
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.12.1"
|
4.
References
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