SB2012100127 - Permissions, Privileges, and Access Controls in asterisk (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2012-4737)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote #AU# to read and manipulate data.

channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=17bdbdbb2168054d422709c3b8773a2c28fa8bc5
• https://git.alpinelinux.org/aports/commit/?id=0b29dc20342abb637192639d047d4819d0932c7d
• https://git.alpinelinux.org/aports/commit/?id=47954965e0279ecc6bef5c7c8ba6ad30c8a978fb